Finding the Third Proportional to 42,681.75 and 61,480.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,681.75 : 61,480.13 = 61,480.13 : x
2. Step 2: Convert to fraction form
   42,681.75/61,480.13 = 61,480.13/x
3. Step 3: Cross multiply
   42,681.75x = 61,480.13 × 61,480.13
4. Step 4: Simplify right side
   42,681.75x = 3,779,805,770.02
5. Step 5: Solve for x
   x = 3,779,805,770.02/42,681.75
6. Step 6: Final answer
   x = 88,557.89