Finding the Third Proportional to 1,359,945 and 1,840,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,945 : 1,840,216.50 = 1,840,216.50 : x
2. Step 2: Convert to fraction form
   1,359,945/1,840,216.50 = 1,840,216.50/x
3. Step 3: Cross multiply
   1,359,945x = 1,840,216.50 × 1,840,216.50
4. Step 4: Simplify right side
   1,359,945x = 3,386,396,766,872.25
5. Step 5: Solve for x
   x = 3,386,396,766,872.25/1,359,945
6. Step 6: Final answer
   x = 2,490,098.33