Finding the Third Proportional to 39,565.34 and 91,515.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,565.34 : 91,515.13 = 91,515.13 : x
2. Step 2: Convert to fraction form
   39,565.34/91,515.13 = 91,515.13/x
3. Step 3: Cross multiply
   39,565.34x = 91,515.13 × 91,515.13
4. Step 4: Simplify right side
   39,565.34x = 8,375,018,818.73
5. Step 5: Solve for x
   x = 8,375,018,818.73/39,565.34
6. Step 6: Final answer
   x = 211,675.67