Finding the Third Proportional to 622,426.50 and 1,365,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   622,426.50 : 1,365,382.50 = 1,365,382.50 : x
2. Step 2: Convert to fraction form
   622,426.50/1,365,382.50 = 1,365,382.50/x
3. Step 3: Cross multiply
   622,426.50x = 1,365,382.50 × 1,365,382.50
4. Step 4: Simplify right side
   622,426.50x = 1,864,269,371,306.25
5. Step 5: Solve for x
   x = 1,864,269,371,306.25/622,426.50
6. Step 6: Final answer
   x = 2,995,163.88