Finding the Third Proportional to 654,940 and 1,409,480

Step by Step Solution

1. Step 1: Write the proportion equation
   654,940 : 1,409,480 = 1,409,480 : x
2. Step 2: Convert to fraction form
   654,940/1,409,480 = 1,409,480/x
3. Step 3: Cross multiply
   654,940x = 1,409,480 × 1,409,480
4. Step 4: Simplify right side
   654,940x = 1,986,633,870,400
5. Step 5: Solve for x
   x = 1,986,633,870,400/654,940
6. Step 6: Final answer
   x = 3,033,306.67