Finding the Third Proportional to 2,087,210 and 4,489,951

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087,210 : 4,489,951 = 4,489,951 : x
2. Step 2: Convert to fraction form
   2,087,210/4,489,951 = 4,489,951/x
3. Step 3: Cross multiply
   2,087,210x = 4,489,951 × 4,489,951
4. Step 4: Simplify right side
   2,087,210x = 20,159,659,982,401
5. Step 5: Solve for x
   x = 20,159,659,982,401/2,087,210
6. Step 6: Final answer
   x = 9,658,663.95