Finding the Third Proportional to 71,646,018 and 155,456,128

Step by Step Solution

1. Step 1: Write the proportion equation
   71,646,018 : 155,456,128 = 155,456,128 : x
2. Step 2: Convert to fraction form
   71,646,018/155,456,128 = 155,456,128/x
3. Step 3: Cross multiply
   71,646,018x = 155,456,128 × 155,456,128
4. Step 4: Simplify right side
   71,646,018x = 24,166,607,732,752,384
5. Step 5: Solve for x
   x = 24,166,607,732,752,384/71,646,018
6. Step 6: Final answer
   x = 337,305,664.81