Finding the Third Proportional to 2,144,421 and 4,715,307

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,421 : 4,715,307 = 4,715,307 : x
2. Step 2: Convert to fraction form
   2,144,421/4,715,307 = 4,715,307/x
3. Step 3: Cross multiply
   2,144,421x = 4,715,307 × 4,715,307
4. Step 4: Simplify right side
   2,144,421x = 22,234,120,104,249
5. Step 5: Solve for x
   x = 22,234,120,104,249/2,144,421
6. Step 6: Final answer
   x = 10,368,355.89