Finding the Third Proportional to 42,348.66 and 61,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,348.66 : 61,931.25 = 61,931.25 : x
2. Step 2: Convert to fraction form
   42,348.66/61,931.25 = 61,931.25/x
3. Step 3: Cross multiply
   42,348.66x = 61,931.25 × 61,931.25
4. Step 4: Simplify right side
   42,348.66x = 3,835,479,726.56
5. Step 5: Solve for x
   x = 3,835,479,726.56/42,348.66
6. Step 6: Final answer
   x = 90,569.10