Finding the Third Proportional to 12,156,768 and 25,940,664

Step by Step Solution

1. Step 1: Write the proportion equation
   12,156,768 : 25,940,664 = 25,940,664 : x
2. Step 2: Convert to fraction form
   12,156,768/25,940,664 = 25,940,664/x
3. Step 3: Cross multiply
   12,156,768x = 25,940,664 × 25,940,664
4. Step 4: Simplify right side
   12,156,768x = 672,918,048,760,896
5. Step 5: Solve for x
   x = 672,918,048,760,896/12,156,768
6. Step 6: Final answer
   x = 55,353,367.67