Finding the Third Proportional to 59,403.38 and 129,853.13

Step by Step Solution

1. Step 1: Write the proportion equation
   59,403.38 : 129,853.13 = 129,853.13 : x
2. Step 2: Convert to fraction form
   59,403.38/129,853.13 = 129,853.13/x
3. Step 3: Cross multiply
   59,403.38x = 129,853.13 × 129,853.13
4. Step 4: Simplify right side
   59,403.38x = 16,861,834,072.27
5. Step 5: Solve for x
   x = 16,861,834,072.27/59,403.38
6. Step 6: Final answer
   x = 283,853.13