Finding the Third Proportional to 135,702 and 298,326.38

Step by Step Solution

1. Step 1: Write the proportion equation
   135,702 : 298,326.38 = 298,326.38 : x
2. Step 2: Convert to fraction form
   135,702/298,326.38 = 298,326.38/x
3. Step 3: Cross multiply
   135,702x = 298,326.38 × 298,326.38
4. Step 4: Simplify right side
   135,702x = 88,998,626,020.64
5. Step 5: Solve for x
   x = 88,998,626,020.64/135,702
6. Step 6: Final answer
   x = 655,838.72