Finding the Third Proportional to 698,515.50 and 1,067,820

Step by Step Solution

1. Step 1: Write the proportion equation
   698,515.50 : 1,067,820 = 1,067,820 : x
2. Step 2: Convert to fraction form
   698,515.50/1,067,820 = 1,067,820/x
3. Step 3: Cross multiply
   698,515.50x = 1,067,820 × 1,067,820
4. Step 4: Simplify right side
   698,515.50x = 1,140,239,552,400
5. Step 5: Solve for x
   x = 1,140,239,552,400/698,515.50
6. Step 6: Final answer
   x = 1,632,375.45