Finding the Third Proportional to 2,556,860,683,133.20 and 5,563,831,836,532.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,860,683,133.20 : 5,563,831,836,532.40 = 5,563,831,836,532.40 : x
2. Step 2: Convert to fraction form
   2,556,860,683,133.20/5,563,831,836,532.40 = 5,563,831,836,532.40/x
3. Step 3: Cross multiply
   2,556,860,683,133.20x = 5,563,831,836,532.40 × 5,563,831,836,532.40
4. Step 4: Simplify right side
   2,556,860,683,133.20x = 30,956,224,705,211,503,623,536,640
5. Step 5: Solve for x
   x = 30,956,224,705,211,503,623,536,640/2,556,860,683,133.20
6. Step 6: Final answer
   x = 12,107,122,186,758.12