Finding the Third Proportional to 12,156,766 and 25,940,660

Step by Step Solution

1. Step 1: Write the proportion equation
   12,156,766 : 25,940,660 = 25,940,660 : x
2. Step 2: Convert to fraction form
   12,156,766/25,940,660 = 25,940,660/x
3. Step 3: Cross multiply
   12,156,766x = 25,940,660 × 25,940,660
4. Step 4: Simplify right side
   12,156,766x = 672,917,841,235,600
5. Step 5: Solve for x
   x = 672,917,841,235,600/12,156,766
6. Step 6: Final answer
   x = 55,353,359.70