Finding the Third Proportional to 42,042.80 and 63,240.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,042.80 : 63,240.75 = 63,240.75 : x
2. Step 2: Convert to fraction form
   42,042.80/63,240.75 = 63,240.75/x
3. Step 3: Cross multiply
   42,042.80x = 63,240.75 × 63,240.75
4. Step 4: Simplify right side
   42,042.80x = 3,999,392,460.56
5. Step 5: Solve for x
   x = 3,999,392,460.56/42,042.80
6. Step 6: Final answer
   x = 95,126.70