Finding the Third Proportional to 698,688 and 1,051,530

Step by Step Solution

1. Step 1: Write the proportion equation
   698,688 : 1,051,530 = 1,051,530 : x
2. Step 2: Convert to fraction form
   698,688/1,051,530 = 1,051,530/x
3. Step 3: Cross multiply
   698,688x = 1,051,530 × 1,051,530
4. Step 4: Simplify right side
   698,688x = 1,105,715,340,900
5. Step 5: Solve for x
   x = 1,105,715,340,900/698,688
6. Step 6: Final answer
   x = 1,582,559.51