Finding the Third Proportional to 897,589.50 and 1,311,664.50

Step by Step Solution

1. Step 1: Write the proportion equation
   897,589.50 : 1,311,664.50 = 1,311,664.50 : x
2. Step 2: Convert to fraction form
   897,589.50/1,311,664.50 = 1,311,664.50/x
3. Step 3: Cross multiply
   897,589.50x = 1,311,664.50 × 1,311,664.50
4. Step 4: Simplify right side
   897,589.50x = 1,720,463,760,560.25
5. Step 5: Solve for x
   x = 1,720,463,760,560.25/897,589.50
6. Step 6: Final answer
   x = 1,916,760.12