Finding the Third Proportional to 401,463.75 and 591,105

Step by Step Solution

1. Step 1: Write the proportion equation
   401,463.75 : 591,105 = 591,105 : x
2. Step 2: Convert to fraction form
   401,463.75/591,105 = 591,105/x
3. Step 3: Cross multiply
   401,463.75x = 591,105 × 591,105
4. Step 4: Simplify right side
   401,463.75x = 349,405,121,025
5. Step 5: Solve for x
   x = 349,405,121,025/401,463.75
6. Step 6: Final answer
   x = 870,327.95