Finding the Third Proportional to 54,188,487 and 82,553,123

Step by Step Solution

1. Step 1: Write the proportion equation
   54,188,487 : 82,553,123 = 82,553,123 : x
2. Step 2: Convert to fraction form
   54,188,487/82,553,123 = 82,553,123/x
3. Step 3: Cross multiply
   54,188,487x = 82,553,123 × 82,553,123
4. Step 4: Simplify right side
   54,188,487x = 6,815,018,117,053,129
5. Step 5: Solve for x
   x = 6,815,018,117,053,129/54,188,487
6. Step 6: Final answer
   x = 125,765,056.28