Finding the Third Proportional to 648,810 and 867,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   648,810 : 867,874.50 = 867,874.50 : x
2. Step 2: Convert to fraction form
   648,810/867,874.50 = 867,874.50/x
3. Step 3: Cross multiply
   648,810x = 867,874.50 × 867,874.50
4. Step 4: Simplify right side
   648,810x = 753,206,147,750.25
5. Step 5: Solve for x
   x = 753,206,147,750.25/648,810
6. Step 6: Final answer
   x = 1,160,904.04