Finding the Third Proportional to 404,151.25 and 561,940

Step by Step Solution

1. Step 1: Write the proportion equation
   404,151.25 : 561,940 = 561,940 : x
2. Step 2: Convert to fraction form
   404,151.25/561,940 = 561,940/x
3. Step 3: Cross multiply
   404,151.25x = 561,940 × 561,940
4. Step 4: Simplify right side
   404,151.25x = 315,776,563,600
5. Step 5: Solve for x
   x = 315,776,563,600/404,151.25
6. Step 6: Final answer
   x = 781,332.64