Finding the Third Proportional to 83,142.38 and 126,789.38

Step by Step Solution

1. Step 1: Write the proportion equation
   83,142.38 : 126,789.38 = 126,789.38 : x
2. Step 2: Convert to fraction form
   83,142.38/126,789.38 = 126,789.38/x
3. Step 3: Cross multiply
   83,142.38x = 126,789.38 × 126,789.38
4. Step 4: Simplify right side
   83,142.38x = 16,075,545,612.89
5. Step 5: Solve for x
   x = 16,075,545,612.89/83,142.38
6. Step 6: Final answer
   x = 193,349.61