Finding the Third Proportional to 868,648.50 and 1,328,805

Step by Step Solution

1. Step 1: Write the proportion equation
   868,648.50 : 1,328,805 = 1,328,805 : x
2. Step 2: Convert to fraction form
   868,648.50/1,328,805 = 1,328,805/x
3. Step 3: Cross multiply
   868,648.50x = 1,328,805 × 1,328,805
4. Step 4: Simplify right side
   868,648.50x = 1,765,722,728,025
5. Step 5: Solve for x
   x = 1,765,722,728,025/868,648.50
6. Step 6: Final answer
   x = 2,032,724.09