Finding the Third Proportional to 2,216,815 and 4,765,144

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,815 : 4,765,144 = 4,765,144 : x
2. Step 2: Convert to fraction form
   2,216,815/4,765,144 = 4,765,144/x
3. Step 3: Cross multiply
   2,216,815x = 4,765,144 × 4,765,144
4. Step 4: Simplify right side
   2,216,815x = 22,706,597,340,736
5. Step 5: Solve for x
   x = 22,706,597,340,736/2,216,815
6. Step 6: Final answer
   x = 10,242,892.32