Finding the Third Proportional to 609,012 and 1,321,758

Step by Step Solution

1. Step 1: Write the proportion equation
   609,012 : 1,321,758 = 1,321,758 : x
2. Step 2: Convert to fraction form
   609,012/1,321,758 = 1,321,758/x
3. Step 3: Cross multiply
   609,012x = 1,321,758 × 1,321,758
4. Step 4: Simplify right side
   609,012x = 1,747,044,210,564
5. Step 5: Solve for x
   x = 1,747,044,210,564/609,012
6. Step 6: Final answer
   x = 2,868,653.18