Finding the Third Proportional to 698,916 and 1,528,686

Step by Step Solution

1. Step 1: Write the proportion equation
   698,916 : 1,528,686 = 1,528,686 : x
2. Step 2: Convert to fraction form
   698,916/1,528,686 = 1,528,686/x
3. Step 3: Cross multiply
   698,916x = 1,528,686 × 1,528,686
4. Step 4: Simplify right side
   698,916x = 2,336,880,886,596
5. Step 5: Solve for x
   x = 2,336,880,886,596/698,916
6. Step 6: Final answer
   x = 3,343,579.04