Finding the Third Proportional to 2,197,218 and 4,813,359

Step by Step Solution

1. Step 1: Write the proportion equation
   2,197,218 : 4,813,359 = 4,813,359 : x
2. Step 2: Convert to fraction form
   2,197,218/4,813,359 = 4,813,359/x
3. Step 3: Cross multiply
   2,197,218x = 4,813,359 × 4,813,359
4. Step 4: Simplify right side
   2,197,218x = 23,168,424,862,881
5. Step 5: Solve for x
   x = 23,168,424,862,881/2,197,218
6. Step 6: Final answer
   x = 10,544,436.13