Finding the Third Proportional to 611,748 and 1,439,298

Step by Step Solution

1. Step 1: Write the proportion equation
   611,748 : 1,439,298 = 1,439,298 : x
2. Step 2: Convert to fraction form
   611,748/1,439,298 = 1,439,298/x
3. Step 3: Cross multiply
   611,748x = 1,439,298 × 1,439,298
4. Step 4: Simplify right side
   611,748x = 2,071,578,732,804
5. Step 5: Solve for x
   x = 2,071,578,732,804/611,748
6. Step 6: Final answer
   x = 3,386,326.94