Finding the Third Proportional to 141,517.13 and 206,443.69

Step by Step Solution

1. Step 1: Write the proportion equation
   141,517.13 : 206,443.69 = 206,443.69 : x
2. Step 2: Convert to fraction form
   141,517.13/206,443.69 = 206,443.69/x
3. Step 3: Cross multiply
   141,517.13x = 206,443.69 × 206,443.69
4. Step 4: Simplify right side
   141,517.13x = 42,618,996,108.60
5. Step 5: Solve for x
   x = 42,618,996,108.60/141,517.13
6. Step 6: Final answer
   x = 301,157.87