Finding the Third Proportional to 2,144,416 and 4,465,216

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,416 : 4,465,216 = 4,465,216 : x
2. Step 2: Convert to fraction form
   2,144,416/4,465,216 = 4,465,216/x
3. Step 3: Cross multiply
   2,144,416x = 4,465,216 × 4,465,216
4. Step 4: Simplify right side
   2,144,416x = 19,938,153,926,656
5. Step 5: Solve for x
   x = 19,938,153,926,656/2,144,416
6. Step 6: Final answer
   x = 9,297,708.06