Finding the Third Proportional to 40,779 and 60,727.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,779 : 60,727.50 = 60,727.50 : x
2. Step 2: Convert to fraction form
   40,779/60,727.50 = 60,727.50/x
3. Step 3: Cross multiply
   40,779x = 60,727.50 × 60,727.50
4. Step 4: Simplify right side
   40,779x = 3,687,829,256.25
5. Step 5: Solve for x
   x = 3,687,829,256.25/40,779
6. Step 6: Final answer
   x = 90,434.52