Finding the Third Proportional to 8,564,880,858 and 13,093,494,106

Step by Step Solution

1. Step 1: Write the proportion equation
   8,564,880,858 : 13,093,494,106 = 13,093,494,106 : x
2. Step 2: Convert to fraction form
   8,564,880,858/13,093,494,106 = 13,093,494,106/x
3. Step 3: Cross multiply
   8,564,880,858x = 13,093,494,106 × 13,093,494,106
4. Step 4: Simplify right side
   8,564,880,858x = 171,439,587,903,856,738,304
5. Step 5: Solve for x
   x = 171,439,587,903,856,738,304/8,564,880,858
6. Step 6: Final answer
   x = 20,016,575,915.79