Finding the Third Proportional to 2,005,220 and 4,175,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,220 : 4,175,680 = 4,175,680 : x
2. Step 2: Convert to fraction form
   2,005,220/4,175,680 = 4,175,680/x
3. Step 3: Cross multiply
   2,005,220x = 4,175,680 × 4,175,680
4. Step 4: Simplify right side
   2,005,220x = 17,436,303,462,400
5. Step 5: Solve for x
   x = 17,436,303,462,400/2,005,220
6. Step 6: Final answer
   x = 8,695,456.59