Finding the Third Proportional to 68,461,686 and 152,230,428

Step by Step Solution

1. Step 1: Write the proportion equation
   68,461,686 : 152,230,428 = 152,230,428 : x
2. Step 2: Convert to fraction form
   68,461,686/152,230,428 = 152,230,428/x
3. Step 3: Cross multiply
   68,461,686x = 152,230,428 × 152,230,428
4. Step 4: Simplify right side
   68,461,686x = 23,174,103,209,063,184
5. Step 5: Solve for x
   x = 23,174,103,209,063,184/68,461,686
6. Step 6: Final answer
   x = 338,497,407.28