Finding the Third Proportional to 38,781.75 and 62,221.88

Step by Step Solution

1. Step 1: Write the proportion equation
   38,781.75 : 62,221.88 = 62,221.88 : x
2. Step 2: Convert to fraction form
   38,781.75/62,221.88 = 62,221.88/x
3. Step 3: Cross multiply
   38,781.75x = 62,221.88 × 62,221.88
4. Step 4: Simplify right side
   38,781.75x = 3,871,561,728.52
5. Step 5: Solve for x
   x = 3,871,561,728.52/38,781.75
6. Step 6: Final answer
   x = 99,829.47