Finding the Third Proportional to 137,910,142 and 296,743,502

Step by Step Solution

1. Step 1: Write the proportion equation
   137,910,142 : 296,743,502 = 296,743,502 : x
2. Step 2: Convert to fraction form
   137,910,142/296,743,502 = 296,743,502/x
3. Step 3: Cross multiply
   137,910,142x = 296,743,502 × 296,743,502
4. Step 4: Simplify right side
   137,910,142x = 88,056,705,979,224,000
5. Step 5: Solve for x
   x = 88,056,705,979,224,000/137,910,142
6. Step 6: Final answer
   x = 638,507,833.45