Finding the Third Proportional to 11,817,535.50 and 25,705,620

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,535.50 : 25,705,620 = 25,705,620 : x
2. Step 2: Convert to fraction form
   11,817,535.50/25,705,620 = 25,705,620/x
3. Step 3: Cross multiply
   11,817,535.50x = 25,705,620 × 25,705,620
4. Step 4: Simplify right side
   11,817,535.50x = 660,778,899,584,400
5. Step 5: Solve for x
   x = 660,778,899,584,400/11,817,535.50
6. Step 6: Final answer
   x = 55,915,118.65