Finding the Third Proportional to 574,838 and 1,209,208

Step by Step Solution

1. Step 1: Write the proportion equation
   574,838 : 1,209,208 = 1,209,208 : x
2. Step 2: Convert to fraction form
   574,838/1,209,208 = 1,209,208/x
3. Step 3: Cross multiply
   574,838x = 1,209,208 × 1,209,208
4. Step 4: Simplify right side
   574,838x = 1,462,183,987,264
5. Step 5: Solve for x
   x = 1,462,183,987,264/574,838
6. Step 6: Final answer
   x = 2,543,645.32