Finding the Third Proportional to 2,217,066 and 4,765,638

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217,066 : 4,765,638 = 4,765,638 : x
2. Step 2: Convert to fraction form
   2,217,066/4,765,638 = 4,765,638/x
3. Step 3: Cross multiply
   2,217,066x = 4,765,638 × 4,765,638
4. Step 4: Simplify right side
   2,217,066x = 22,711,305,547,044
5. Step 5: Solve for x
   x = 22,711,305,547,044/2,217,066
6. Step 6: Final answer
   x = 10,243,856.32