Finding the Third Proportional to 574,272 and 855,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,272 : 855,796.50 = 855,796.50 : x
2. Step 2: Convert to fraction form
   574,272/855,796.50 = 855,796.50/x
3. Step 3: Cross multiply
   574,272x = 855,796.50 × 855,796.50
4. Step 4: Simplify right side
   574,272x = 732,387,649,412.25
5. Step 5: Solve for x
   x = 732,387,649,412.25/574,272
6. Step 6: Final answer
   x = 1,275,332.33