Finding the Third Proportional to 582,403 and 913,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   582,403 : 913,786.50 = 913,786.50 : x
2. Step 2: Convert to fraction form
   582,403/913,786.50 = 913,786.50/x
3. Step 3: Cross multiply
   582,403x = 913,786.50 × 913,786.50
4. Step 4: Simplify right side
   582,403x = 835,005,767,582.25
5. Step 5: Solve for x
   x = 835,005,767,582.25/582,403
6. Step 6: Final answer
   x = 1,433,725.05