Finding the Third Proportional to 574,906 and 1,209,402

Step by Step Solution

1. Step 1: Write the proportion equation
   574,906 : 1,209,402 = 1,209,402 : x
2. Step 2: Convert to fraction form
   574,906/1,209,402 = 1,209,402/x
3. Step 3: Cross multiply
   574,906x = 1,209,402 × 1,209,402
4. Step 4: Simplify right side
   574,906x = 1,462,653,197,604
5. Step 5: Solve for x
   x = 1,462,653,197,604/574,906
6. Step 6: Final answer
   x = 2,544,160.61