Finding the Third Proportional to 2,145,984 and 4,468,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,984 : 4,468,272 = 4,468,272 : x
2. Step 2: Convert to fraction form
   2,145,984/4,468,272 = 4,468,272/x
3. Step 3: Cross multiply
   2,145,984x = 4,468,272 × 4,468,272
4. Step 4: Simplify right side
   2,145,984x = 19,965,454,665,984
5. Step 5: Solve for x
   x = 19,965,454,665,984/2,145,984
6. Step 6: Final answer
   x = 9,303,636.31