Finding the Third Proportional to 698,608 and 1,426,528

Step by Step Solution

1. Step 1: Write the proportion equation
   698,608 : 1,426,528 = 1,426,528 : x
2. Step 2: Convert to fraction form
   698,608/1,426,528 = 1,426,528/x
3. Step 3: Cross multiply
   698,608x = 1,426,528 × 1,426,528
4. Step 4: Simplify right side
   698,608x = 2,034,982,134,784
5. Step 5: Solve for x
   x = 2,034,982,134,784/698,608
6. Step 6: Final answer
   x = 2,912,909.86