Finding the Third Proportional to 1,982,123 and 4,328,287

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982,123 : 4,328,287 = 4,328,287 : x
2. Step 2: Convert to fraction form
   1,982,123/4,328,287 = 4,328,287/x
3. Step 3: Cross multiply
   1,982,123x = 4,328,287 × 4,328,287
4. Step 4: Simplify right side
   1,982,123x = 18,734,068,354,369
5. Step 5: Solve for x
   x = 18,734,068,354,369/1,982,123
6. Step 6: Final answer
   x = 9,451,516.56