Finding the Third Proportional to 582,050.81 and 869,491.69

Step by Step Solution

1. Step 1: Write the proportion equation
   582,050.81 : 869,491.69 = 869,491.69 : x
2. Step 2: Convert to fraction form
   582,050.81/869,491.69 = 869,491.69/x
3. Step 3: Cross multiply
   582,050.81x = 869,491.69 × 869,491.69
4. Step 4: Simplify right side
   582,050.81x = 756,015,794,631.60
5. Step 5: Solve for x
   x = 756,015,794,631.60/582,050.81
6. Step 6: Final answer
   x = 1,298,882.81