Finding the Third Proportional to 48,909.38 and 65,512.13

Step by Step Solution

1. Step 1: Write the proportion equation
   48,909.38 : 65,512.13 = 65,512.13 : x
2. Step 2: Convert to fraction form
   48,909.38/65,512.13 = 65,512.13/x
3. Step 3: Cross multiply
   48,909.38x = 65,512.13 × 65,512.13
4. Step 4: Simplify right side
   48,909.38x = 4,291,838,522.02
5. Step 5: Solve for x
   x = 4,291,838,522.02/48,909.38
6. Step 6: Final answer
   x = 87,750.84