Finding the Third Proportional to 658,728 and 1,417,356

Step by Step Solution

1. Step 1: Write the proportion equation
   658,728 : 1,417,356 = 1,417,356 : x
2. Step 2: Convert to fraction form
   658,728/1,417,356 = 1,417,356/x
3. Step 3: Cross multiply
   658,728x = 1,417,356 × 1,417,356
4. Step 4: Simplify right side
   658,728x = 2,008,898,030,736
5. Step 5: Solve for x
   x = 2,008,898,030,736/658,728
6. Step 6: Final answer
   x = 3,049,662.43