Finding the Third Proportional to 584,063.50 and 853,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   584,063.50 : 853,921.50 = 853,921.50 : x
2. Step 2: Convert to fraction form
   584,063.50/853,921.50 = 853,921.50/x
3. Step 3: Cross multiply
   584,063.50x = 853,921.50 × 853,921.50
4. Step 4: Simplify right side
   584,063.50x = 729,181,928,162.25
5. Step 5: Solve for x
   x = 729,181,928,162.25/584,063.50
6. Step 6: Final answer
   x = 1,248,463.44