Finding the Third Proportional to 1,439,442 and 2,151,234

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,442 : 2,151,234 = 2,151,234 : x
2. Step 2: Convert to fraction form
   1,439,442/2,151,234 = 2,151,234/x
3. Step 3: Cross multiply
   1,439,442x = 2,151,234 × 2,151,234
4. Step 4: Simplify right side
   1,439,442x = 4,627,807,722,756
5. Step 5: Solve for x
   x = 4,627,807,722,756/1,439,442
6. Step 6: Final answer
   x = 3,215,001.18