Finding the Third Proportional to 68,487,156 and 142,643,016

Step by Step Solution

1. Step 1: Write the proportion equation
   68,487,156 : 142,643,016 = 142,643,016 : x
2. Step 2: Convert to fraction form
   68,487,156/142,643,016 = 142,643,016/x
3. Step 3: Cross multiply
   68,487,156x = 142,643,016 × 142,643,016
4. Step 4: Simplify right side
   68,487,156x = 20,347,030,013,576,256
5. Step 5: Solve for x
   x = 20,347,030,013,576,256/68,487,156
6. Step 6: Final answer
   x = 297,092,640.46