Finding the Third Proportional to 2,649,420 and 4,202,116

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649,420 : 4,202,116 = 4,202,116 : x
2. Step 2: Convert to fraction form
   2,649,420/4,202,116 = 4,202,116/x
3. Step 3: Cross multiply
   2,649,420x = 4,202,116 × 4,202,116
4. Step 4: Simplify right side
   2,649,420x = 17,657,778,877,456
5. Step 5: Solve for x
   x = 17,657,778,877,456/2,649,420
6. Step 6: Final answer
   x = 6,664,771.49