Finding the Third Proportional to 42,703.88 and 61,509.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,703.88 : 61,509.38 = 61,509.38 : x
2. Step 2: Convert to fraction form
   42,703.88/61,509.38 = 61,509.38/x
3. Step 3: Cross multiply
   42,703.88x = 61,509.38 × 61,509.38
4. Step 4: Simplify right side
   42,703.88x = 3,783,403,212.89
5. Step 5: Solve for x
   x = 3,783,403,212.89/42,703.88
6. Step 6: Final answer
   x = 88,596.25