Finding the Third Proportional to 609,668 and 1,340,000

Step by Step Solution

1. Step 1: Write the proportion equation
   609,668 : 1,340,000 = 1,340,000 : x
2. Step 2: Convert to fraction form
   609,668/1,340,000 = 1,340,000/x
3. Step 3: Cross multiply
   609,668x = 1,340,000 × 1,340,000
4. Step 4: Simplify right side
   609,668x = 1,795,600,000,000
5. Step 5: Solve for x
   x = 1,795,600,000,000/609,668
6. Step 6: Final answer
   x = 2,945,209.52