Finding the Third Proportional to 8,527,426.88 and 13,120,499.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,527,426.88 : 13,120,499.81 = 13,120,499.81 : x
2. Step 2: Convert to fraction form
   8,527,426.88/13,120,499.81 = 13,120,499.81/x
3. Step 3: Cross multiply
   8,527,426.88x = 13,120,499.81 × 13,120,499.81
4. Step 4: Simplify right side
   8,527,426.88x = 172,147,515,329,812.53
5. Step 5: Solve for x
   x = 172,147,515,329,812.53/8,527,426.88
6. Step 6: Final answer
   x = 20,187,510.00