Finding the Third Proportional to 1,439,450 and 2,151,246

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,450 : 2,151,246 = 2,151,246 : x
2. Step 2: Convert to fraction form
   1,439,450/2,151,246 = 2,151,246/x
3. Step 3: Cross multiply
   1,439,450x = 2,151,246 × 2,151,246
4. Step 4: Simplify right side
   1,439,450x = 4,627,859,352,516
5. Step 5: Solve for x
   x = 4,627,859,352,516/1,439,450
6. Step 6: Final answer
   x = 3,215,019.18