Finding the Third Proportional to 574,920 and 1,209,418.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,920 : 1,209,418.50 = 1,209,418.50 : x
2. Step 2: Convert to fraction form
   574,920/1,209,418.50 = 1,209,418.50/x
3. Step 3: Cross multiply
   574,920x = 1,209,418.50 × 1,209,418.50
4. Step 4: Simplify right side
   574,920x = 1,462,693,108,142.25
5. Step 5: Solve for x
   x = 1,462,693,108,142.25/574,920
6. Step 6: Final answer
   x = 2,544,168.07