Finding the Third Proportional to 899,456 and 1,344,320

Step by Step Solution

1. Step 1: Write the proportion equation
   899,456 : 1,344,320 = 1,344,320 : x
2. Step 2: Convert to fraction form
   899,456/1,344,320 = 1,344,320/x
3. Step 3: Cross multiply
   899,456x = 1,344,320 × 1,344,320
4. Step 4: Simplify right side
   899,456x = 1,807,196,262,400
5. Step 5: Solve for x
   x = 1,807,196,262,400/899,456
6. Step 6: Final answer
   x = 2,009,210.30