Finding the Third Proportional to 48,909.66 and 65,512.55

Step by Step Solution

1. Step 1: Write the proportion equation
   48,909.66 : 65,512.55 = 65,512.55 : x
2. Step 2: Convert to fraction form
   48,909.66/65,512.55 = 65,512.55/x
3. Step 3: Cross multiply
   48,909.66x = 65,512.55 × 65,512.55
4. Step 4: Simplify right side
   48,909.66x = 4,291,893,798.05
5. Step 5: Solve for x
   x = 4,291,893,798.05/48,909.66
6. Step 6: Final answer
   x = 87,751.46