Finding the Third Proportional to 582,048 and 869,487.75

Step by Step Solution

1. Step 1: Write the proportion equation
   582,048 : 869,487.75 = 869,487.75 : x
2. Step 2: Convert to fraction form
   582,048/869,487.75 = 869,487.75/x
3. Step 3: Cross multiply
   582,048x = 869,487.75 × 869,487.75
4. Step 4: Simplify right side
   582,048x = 756,008,947,400.06
5. Step 5: Solve for x
   x = 756,008,947,400.06/582,048
6. Step 6: Final answer
   x = 1,298,877.32