Finding the Third Proportional to 584,665.31 and 874,613.81

Step by Step Solution

1. Step 1: Write the proportion equation
   584,665.31 : 874,613.81 = 874,613.81 : x
2. Step 2: Convert to fraction form
   584,665.31/874,613.81 = 874,613.81/x
3. Step 3: Cross multiply
   584,665.31x = 874,613.81 × 874,613.81
4. Step 4: Simplify right side
   584,665.31x = 764,949,321,015.79
5. Step 5: Solve for x
   x = 764,949,321,015.79/584,665.31
6. Step 6: Final answer
   x = 1,308,354.21