Finding the Third Proportional to 35,218.88 and 72,057.75

Step by Step Solution

1. Step 1: Write the proportion equation
   35,218.88 : 72,057.75 = 72,057.75 : x
2. Step 2: Convert to fraction form
   35,218.88/72,057.75 = 72,057.75/x
3. Step 3: Cross multiply
   35,218.88x = 72,057.75 × 72,057.75
4. Step 4: Simplify right side
   35,218.88x = 5,192,319,335.06
5. Step 5: Solve for x
   x = 5,192,319,335.06/35,218.88
6. Step 6: Final answer
   x = 147,430.02