Finding the Third Proportional to 155,514.94 and 338,686.31

Step by Step Solution

1. Step 1: Write the proportion equation
   155,514.94 : 338,686.31 = 338,686.31 : x
2. Step 2: Convert to fraction form
   155,514.94/338,686.31 = 338,686.31/x
3. Step 3: Cross multiply
   155,514.94x = 338,686.31 × 338,686.31
4. Step 4: Simplify right side
   155,514.94x = 114,708,418,274.85
5. Step 5: Solve for x
   x = 114,708,418,274.85/155,514.94
6. Step 6: Final answer
   x = 737,603.86