Finding the Third Proportional to 68,441,874 and 152,186,256

Step by Step Solution

1. Step 1: Write the proportion equation
   68,441,874 : 152,186,256 = 152,186,256 : x
2. Step 2: Convert to fraction form
   68,441,874/152,186,256 = 152,186,256/x
3. Step 3: Cross multiply
   68,441,874x = 152,186,256 × 152,186,256
4. Step 4: Simplify right side
   68,441,874x = 23,160,656,515,297,536
5. Step 5: Solve for x
   x = 23,160,656,515,297,536/68,441,874
6. Step 6: Final answer
   x = 338,398,923.96