Finding the Third Proportional to 42,375.75 and 57,551.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,375.75 : 57,551.06 = 57,551.06 : x
2. Step 2: Convert to fraction form
   42,375.75/57,551.06 = 57,551.06/x
3. Step 3: Cross multiply
   42,375.75x = 57,551.06 × 57,551.06
4. Step 4: Simplify right side
   42,375.75x = 3,312,124,794.88
5. Step 5: Solve for x
   x = 3,312,124,794.88/42,375.75
6. Step 6: Final answer
   x = 78,160.85