Finding the Third Proportional to 518,712 and 1,073,424

Step by Step Solution

1. Step 1: Write the proportion equation
   518,712 : 1,073,424 = 1,073,424 : x
2. Step 2: Convert to fraction form
   518,712/1,073,424 = 1,073,424/x
3. Step 3: Cross multiply
   518,712x = 1,073,424 × 1,073,424
4. Step 4: Simplify right side
   518,712x = 1,152,239,083,776
5. Step 5: Solve for x
   x = 1,152,239,083,776/518,712
6. Step 6: Final answer
   x = 2,221,346.50