Finding the Third Proportional to 71,488.41 and 141,182.58

Step by Step Solution

1. Step 1: Write the proportion equation
   71,488.41 : 141,182.58 = 141,182.58 : x
2. Step 2: Convert to fraction form
   71,488.41/141,182.58 = 141,182.58/x
3. Step 3: Cross multiply
   71,488.41x = 141,182.58 × 141,182.58
4. Step 4: Simplify right side
   71,488.41x = 19,932,520,366.02
5. Step 5: Solve for x
   x = 19,932,520,366.02/71,488.41
6. Step 6: Final answer
   x = 278,821.72