Finding the Third Proportional to 11,817,542.50 and 25,705,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,542.50 : 25,705,626.50 = 25,705,626.50 : x
2. Step 2: Convert to fraction form
   11,817,542.50/25,705,626.50 = 25,705,626.50/x
3. Step 3: Cross multiply
   11,817,542.50x = 25,705,626.50 × 25,705,626.50
4. Step 4: Simplify right side
   11,817,542.50x = 660,779,233,757,502.25
5. Step 5: Solve for x
   x = 660,779,233,757,502.25/11,817,542.50
6. Step 6: Final answer
   x = 55,915,113.80