Finding the Third Proportional to 610,668 and 1,345,320

Step by Step Solution

1. Step 1: Write the proportion equation
   610,668 : 1,345,320 = 1,345,320 : x
2. Step 2: Convert to fraction form
   610,668/1,345,320 = 1,345,320/x
3. Step 3: Cross multiply
   610,668x = 1,345,320 × 1,345,320
4. Step 4: Simplify right side
   610,668x = 1,809,885,902,400
5. Step 5: Solve for x
   x = 1,809,885,902,400/610,668
6. Step 6: Final answer
   x = 2,963,780.49