Finding the Third Proportional to 69,324.38 and 141,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,324.38 : 141,934.50 = 141,934.50 : x
2. Step 2: Convert to fraction form
   69,324.38/141,934.50 = 141,934.50/x
3. Step 3: Cross multiply
   69,324.38x = 141,934.50 × 141,934.50
4. Step 4: Simplify right side
   69,324.38x = 20,145,402,290.25
5. Step 5: Solve for x
   x = 20,145,402,290.25/69,324.38
6. Step 6: Final answer
   x = 290,596.23