Finding the Third Proportional to 404,179.50 and 623,117.25

Step by Step Solution

1. Step 1: Write the proportion equation
   404,179.50 : 623,117.25 = 623,117.25 : x
2. Step 2: Convert to fraction form
   404,179.50/623,117.25 = 623,117.25/x
3. Step 3: Cross multiply
   404,179.50x = 623,117.25 × 623,117.25
4. Step 4: Simplify right side
   404,179.50x = 388,275,107,247.56
5. Step 5: Solve for x
   x = 388,275,107,247.56/404,179.50
6. Step 6: Final answer
   x = 960,650.17