Finding the Third Proportional to 42,666.75 and 61,458.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,666.75 : 61,458.38 = 61,458.38 : x
2. Step 2: Convert to fraction form
   42,666.75/61,458.38 = 61,458.38/x
3. Step 3: Cross multiply
   42,666.75x = 61,458.38 × 61,458.38
4. Step 4: Simplify right side
   42,666.75x = 3,777,131,857.64
5. Step 5: Solve for x
   x = 3,777,131,857.64/42,666.75
6. Step 6: Final answer
   x = 88,526.36