Finding the Third Proportional to 1,203,622 and 1,639,352

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,622 : 1,639,352 = 1,639,352 : x
2. Step 2: Convert to fraction form
   1,203,622/1,639,352 = 1,639,352/x
3. Step 3: Cross multiply
   1,203,622x = 1,639,352 × 1,639,352
4. Step 4: Simplify right side
   1,203,622x = 2,687,474,979,904
5. Step 5: Solve for x
   x = 2,687,474,979,904/1,203,622
6. Step 6: Final answer
   x = 2,232,823.08