Finding the Third Proportional to 113,563,666 and 247,056,372

Step by Step Solution

1. Step 1: Write the proportion equation
   113,563,666 : 247,056,372 = 247,056,372 : x
2. Step 2: Convert to fraction form
   113,563,666/247,056,372 = 247,056,372/x
3. Step 3: Cross multiply
   113,563,666x = 247,056,372 × 247,056,372
4. Step 4: Simplify right side
   113,563,666x = 61,036,850,945,802,384
5. Step 5: Solve for x
   x = 61,036,850,945,802,384/113,563,666
6. Step 6: Final answer
   x = 537,468,127.75