Finding the Third Proportional to 1,239,648 and 1,914,150

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,648 : 1,914,150 = 1,914,150 : x
2. Step 2: Convert to fraction form
   1,239,648/1,914,150 = 1,914,150/x
3. Step 3: Cross multiply
   1,239,648x = 1,914,150 × 1,914,150
4. Step 4: Simplify right side
   1,239,648x = 3,663,970,222,500
5. Step 5: Solve for x
   x = 3,663,970,222,500/1,239,648
6. Step 6: Final answer
   x = 2,955,653.72