Finding the Third Proportional to 582,048 and 869,487.38

Step by Step Solution

1. Step 1: Write the proportion equation
   582,048 : 869,487.38 = 869,487.38 : x
2. Step 2: Convert to fraction form
   582,048/869,487.38 = 869,487.38/x
3. Step 3: Cross multiply
   582,048x = 869,487.38 × 869,487.38
4. Step 4: Simplify right side
   582,048x = 756,008,295,284.39
5. Step 5: Solve for x
   x = 756,008,295,284.39/582,048
6. Step 6: Final answer
   x = 1,298,876.20