Finding the Third Proportional to 582,642 and 1,271,200

Step by Step Solution

1. Step 1: Write the proportion equation
   582,642 : 1,271,200 = 1,271,200 : x
2. Step 2: Convert to fraction form
   582,642/1,271,200 = 1,271,200/x
3. Step 3: Cross multiply
   582,642x = 1,271,200 × 1,271,200
4. Step 4: Simplify right side
   582,642x = 1,615,949,440,000
5. Step 5: Solve for x
   x = 1,615,949,440,000/582,642
6. Step 6: Final answer
   x = 2,773,486.02