Finding the Third Proportional to 375,691.50 and 581,040

Step by Step Solution

1. Step 1: Write the proportion equation
   375,691.50 : 581,040 = 581,040 : x
2. Step 2: Convert to fraction form
   375,691.50/581,040 = 581,040/x
3. Step 3: Cross multiply
   375,691.50x = 581,040 × 581,040
4. Step 4: Simplify right side
   375,691.50x = 337,607,481,600
5. Step 5: Solve for x
   x = 337,607,481,600/375,691.50
6. Step 6: Final answer
   x = 898,629.54