Finding the Third Proportional to 1,982,210 and 4,328,451

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982,210 : 4,328,451 = 4,328,451 : x
2. Step 2: Convert to fraction form
   1,982,210/4,328,451 = 4,328,451/x
3. Step 3: Cross multiply
   1,982,210x = 4,328,451 × 4,328,451
4. Step 4: Simplify right side
   1,982,210x = 18,735,488,059,401
5. Step 5: Solve for x
   x = 18,735,488,059,401/1,982,210
6. Step 6: Final answer
   x = 9,451,817.95