Finding the Third Proportional to 15,684,264 and 34,386,912

Step by Step Solution

1. Step 1: Write the proportion equation
   15,684,264 : 34,386,912 = 34,386,912 : x
2. Step 2: Convert to fraction form
   15,684,264/34,386,912 = 34,386,912/x
3. Step 3: Cross multiply
   15,684,264x = 34,386,912 × 34,386,912
4. Step 4: Simplify right side
   15,684,264x = 1,182,459,716,895,744
5. Step 5: Solve for x
   x = 1,182,459,716,895,744/15,684,264
6. Step 6: Final answer
   x = 75,391,469.88