Finding the Third Proportional to 42,446.25 and 57,441.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,446.25 : 57,441.38 = 57,441.38 : x
2. Step 2: Convert to fraction form
   42,446.25/57,441.38 = 57,441.38/x
3. Step 3: Cross multiply
   42,446.25x = 57,441.38 × 57,441.38
4. Step 4: Simplify right side
   42,446.25x = 3,299,511,561.89
5. Step 5: Solve for x
   x = 3,299,511,561.89/42,446.25
6. Step 6: Final answer
   x = 77,733.88