Finding the Third Proportional to 582,279 and 1,272,510

Step by Step Solution

1. Step 1: Write the proportion equation
   582,279 : 1,272,510 = 1,272,510 : x
2. Step 2: Convert to fraction form
   582,279/1,272,510 = 1,272,510/x
3. Step 3: Cross multiply
   582,279x = 1,272,510 × 1,272,510
4. Step 4: Simplify right side
   582,279x = 1,619,281,700,100
5. Step 5: Solve for x
   x = 1,619,281,700,100/582,279
6. Step 6: Final answer
   x = 2,780,937.83