Finding the Third Proportional to 2,680,332 and 4,144,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680,332 : 4,144,920 = 4,144,920 : x
2. Step 2: Convert to fraction form
   2,680,332/4,144,920 = 4,144,920/x
3. Step 3: Cross multiply
   2,680,332x = 4,144,920 × 4,144,920
4. Step 4: Simplify right side
   2,680,332x = 17,180,361,806,400
5. Step 5: Solve for x
   x = 17,180,361,806,400/2,680,332
6. Step 6: Final answer
   x = 6,409,788.72