Finding the Third Proportional to 2,722,218 and 4,178,502

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722,218 : 4,178,502 = 4,178,502 : x
2. Step 2: Convert to fraction form
   2,722,218/4,178,502 = 4,178,502/x
3. Step 3: Cross multiply
   2,722,218x = 4,178,502 × 4,178,502
4. Step 4: Simplify right side
   2,722,218x = 17,459,878,964,004
5. Step 5: Solve for x
   x = 17,459,878,964,004/2,722,218
6. Step 6: Final answer
   x = 6,413,843.04