Finding the Third Proportional to 2,649,180 and 4,196,688

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649,180 : 4,196,688 = 4,196,688 : x
2. Step 2: Convert to fraction form
   2,649,180/4,196,688 = 4,196,688/x
3. Step 3: Cross multiply
   2,649,180x = 4,196,688 × 4,196,688
4. Step 4: Simplify right side
   2,649,180x = 17,612,190,169,344
5. Step 5: Solve for x
   x = 17,612,190,169,344/2,649,180
6. Step 6: Final answer
   x = 6,648,166.67