Finding the Third Proportional to 11,861,520 and 25,898,028

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861,520 : 25,898,028 = 25,898,028 : x
2. Step 2: Convert to fraction form
   11,861,520/25,898,028 = 25,898,028/x
3. Step 3: Cross multiply
   11,861,520x = 25,898,028 × 25,898,028
4. Step 4: Simplify right side
   11,861,520x = 670,707,854,288,784
5. Step 5: Solve for x
   x = 670,707,854,288,784/11,861,520
6. Step 6: Final answer
   x = 56,544,848.75