Finding the Third Proportional to 5,831,400 and 8,632,323

Step by Step Solution

1. Step 1: Write the proportion equation
   5,831,400 : 8,632,323 = 8,632,323 : x
2. Step 2: Convert to fraction form
   5,831,400/8,632,323 = 8,632,323/x
3. Step 3: Cross multiply
   5,831,400x = 8,632,323 × 8,632,323
4. Step 4: Simplify right side
   5,831,400x = 74,517,000,376,329
5. Step 5: Solve for x
   x = 74,517,000,376,329/5,831,400
6. Step 6: Final answer
   x = 12,778,578.11