Finding the Third Proportional to 605,748 and 1,321,521

Step by Step Solution

1. Step 1: Write the proportion equation
   605,748 : 1,321,521 = 1,321,521 : x
2. Step 2: Convert to fraction form
   605,748/1,321,521 = 1,321,521/x
3. Step 3: Cross multiply
   605,748x = 1,321,521 × 1,321,521
4. Step 4: Simplify right side
   605,748x = 1,746,417,753,441
5. Step 5: Solve for x
   x = 1,746,417,753,441/605,748
6. Step 6: Final answer
   x = 2,883,076.38