Finding the Third Proportional to 698,920 and 1,528,694

Step by Step Solution

1. Step 1: Write the proportion equation
   698,920 : 1,528,694 = 1,528,694 : x
2. Step 2: Convert to fraction form
   698,920/1,528,694 = 1,528,694/x
3. Step 3: Cross multiply
   698,920x = 1,528,694 × 1,528,694
4. Step 4: Simplify right side
   698,920x = 2,336,905,345,636
5. Step 5: Solve for x
   x = 2,336,905,345,636/698,920
6. Step 6: Final answer
   x = 3,343,594.90