Finding the Third Proportional to 2,143,371 and 4,623,265

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,371 : 4,623,265 = 4,623,265 : x
2. Step 2: Convert to fraction form
   2,143,371/4,623,265 = 4,623,265/x
3. Step 3: Cross multiply
   2,143,371x = 4,623,265 × 4,623,265
4. Step 4: Simplify right side
   2,143,371x = 21,374,579,260,225
5. Step 5: Solve for x
   x = 21,374,579,260,225/2,143,371
6. Step 6: Final answer
   x = 9,972,412.27