Finding the Third Proportional to 574,900 and 1,209,389

Step by Step Solution

1. Step 1: Write the proportion equation
   574,900 : 1,209,389 = 1,209,389 : x
2. Step 2: Convert to fraction form
   574,900/1,209,389 = 1,209,389/x
3. Step 3: Cross multiply
   574,900x = 1,209,389 × 1,209,389
4. Step 4: Simplify right side
   574,900x = 1,462,621,753,321
5. Step 5: Solve for x
   x = 1,462,621,753,321/574,900
6. Step 6: Final answer
   x = 2,544,132.46