Finding the Third Proportional to 39,931.50 and 61,818.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,931.50 : 61,818.75 = 61,818.75 : x
2. Step 2: Convert to fraction form
   39,931.50/61,818.75 = 61,818.75/x
3. Step 3: Cross multiply
   39,931.50x = 61,818.75 × 61,818.75
4. Step 4: Simplify right side
   39,931.50x = 3,821,557,851.56
5. Step 5: Solve for x
   x = 3,821,557,851.56/39,931.50
6. Step 6: Final answer
   x = 95,702.84