Finding the Third Proportional to 582,800 and 1,271,512

Step by Step Solution

1. Step 1: Write the proportion equation
   582,800 : 1,271,512 = 1,271,512 : x
2. Step 2: Convert to fraction form
   582,800/1,271,512 = 1,271,512/x
3. Step 3: Cross multiply
   582,800x = 1,271,512 × 1,271,512
4. Step 4: Simplify right side
   582,800x = 1,616,742,766,144
5. Step 5: Solve for x
   x = 1,616,742,766,144/582,800
6. Step 6: Final answer
   x = 2,774,095.34