Finding the Third Proportional to 582,290 and 1,234,564

Step by Step Solution

1. Step 1: Write the proportion equation
   582,290 : 1,234,564 = 1,234,564 : x
2. Step 2: Convert to fraction form
   582,290/1,234,564 = 1,234,564/x
3. Step 3: Cross multiply
   582,290x = 1,234,564 × 1,234,564
4. Step 4: Simplify right side
   582,290x = 1,524,148,270,096
5. Step 5: Solve for x
   x = 1,524,148,270,096/582,290
6. Step 6: Final answer
   x = 2,617,507.20