Finding the Third Proportional to 11,817,499.50 and 25,705,542

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,499.50 : 25,705,542 = 25,705,542 : x
2. Step 2: Convert to fraction form
   11,817,499.50/25,705,542 = 25,705,542/x
3. Step 3: Cross multiply
   11,817,499.50x = 25,705,542 × 25,705,542
4. Step 4: Simplify right side
   11,817,499.50x = 660,774,889,513,764
5. Step 5: Solve for x
   x = 660,774,889,513,764/11,817,499.50
6. Step 6: Final answer
   x = 55,914,949.65