Finding the Third Proportional to 264,767.50 and 404,079

Step by Step Solution

1. Step 1: Write the proportion equation
   264,767.50 : 404,079 = 404,079 : x
2. Step 2: Convert to fraction form
   264,767.50/404,079 = 404,079/x
3. Step 3: Cross multiply
   264,767.50x = 404,079 × 404,079
4. Step 4: Simplify right side
   264,767.50x = 163,279,838,241
5. Step 5: Solve for x
   x = 163,279,838,241/264,767.50
6. Step 6: Final answer
   x = 616,691.39