Finding the Third Proportional to 582,204 and 869,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   582,204 : 869,710.50 = 869,710.50 : x
2. Step 2: Convert to fraction form
   582,204/869,710.50 = 869,710.50/x
3. Step 3: Cross multiply
   582,204x = 869,710.50 × 869,710.50
4. Step 4: Simplify right side
   582,204x = 756,396,353,810.25
5. Step 5: Solve for x
   x = 756,396,353,810.25/582,204
6. Step 6: Final answer
   x = 1,299,194.70