Finding the Third Proportional to 679,304 and 1,439,528

Step by Step Solution

1. Step 1: Write the proportion equation
   679,304 : 1,439,528 = 1,439,528 : x
2. Step 2: Convert to fraction form
   679,304/1,439,528 = 1,439,528/x
3. Step 3: Cross multiply
   679,304x = 1,439,528 × 1,439,528
4. Step 4: Simplify right side
   679,304x = 2,072,240,862,784
5. Step 5: Solve for x
   x = 2,072,240,862,784/679,304
6. Step 6: Final answer
   x = 3,050,535.35