Finding the Third Proportional to 33,690.38 and 71,488.13

Step by Step Solution

1. Step 1: Write the proportion equation
   33,690.38 : 71,488.13 = 71,488.13 : x
2. Step 2: Convert to fraction form
   33,690.38/71,488.13 = 71,488.13/x
3. Step 3: Cross multiply
   33,690.38x = 71,488.13 × 71,488.13
4. Step 4: Simplify right side
   33,690.38x = 5,110,552,016.02
5. Step 5: Solve for x
   x = 5,110,552,016.02/33,690.38
6. Step 6: Final answer
   x = 151,691.75