Finding the Third Proportional to 2,198,323 and 4,772,642

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198,323 : 4,772,642 = 4,772,642 : x
2. Step 2: Convert to fraction form
   2,198,323/4,772,642 = 4,772,642/x
3. Step 3: Cross multiply
   2,198,323x = 4,772,642 × 4,772,642
4. Step 4: Simplify right side
   2,198,323x = 22,778,111,660,164
5. Step 5: Solve for x
   x = 22,778,111,660,164/2,198,323
6. Step 6: Final answer
   x = 10,361,585.47