Finding the Third Proportional to 582,857 and 1,254,288

Step by Step Solution

1. Step 1: Write the proportion equation
   582,857 : 1,254,288 = 1,254,288 : x
2. Step 2: Convert to fraction form
   582,857/1,254,288 = 1,254,288/x
3. Step 3: Cross multiply
   582,857x = 1,254,288 × 1,254,288
4. Step 4: Simplify right side
   582,857x = 1,573,238,386,944
5. Step 5: Solve for x
   x = 1,573,238,386,944/582,857
6. Step 6: Final answer
   x = 2,699,184.17