Finding the Third Proportional to 2,197,216 and 4,813,356

Step by Step Solution

1. Step 1: Write the proportion equation
   2,197,216 : 4,813,356 = 4,813,356 : x
2. Step 2: Convert to fraction form
   2,197,216/4,813,356 = 4,813,356/x
3. Step 3: Cross multiply
   2,197,216x = 4,813,356 × 4,813,356
4. Step 4: Simplify right side
   2,197,216x = 23,168,395,982,736
5. Step 5: Solve for x
   x = 23,168,395,982,736/2,197,216
6. Step 6: Final answer
   x = 10,544,432.58