Finding the Third Proportional to 8,527,435.88 and 13,120,513.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,527,435.88 : 13,120,513.88 = 13,120,513.88 : x
2. Step 2: Convert to fraction form
   8,527,435.88/13,120,513.88 = 13,120,513.88/x
3. Step 3: Cross multiply
   8,527,435.88x = 13,120,513.88 × 13,120,513.88
4. Step 4: Simplify right side
   8,527,435.88x = 172,147,884,344,067.50
5. Step 5: Solve for x
   x = 172,147,884,344,067.50/8,527,435.88
6. Step 6: Final answer
   x = 20,187,531.97