Finding the Third Proportional to 900,048 and 1,265,856

Step by Step Solution

1. Step 1: Write the proportion equation
   900,048 : 1,265,856 = 1,265,856 : x
2. Step 2: Convert to fraction form
   900,048/1,265,856 = 1,265,856/x
3. Step 3: Cross multiply
   900,048x = 1,265,856 × 1,265,856
4. Step 4: Simplify right side
   900,048x = 1,602,391,412,736
5. Step 5: Solve for x
   x = 1,602,391,412,736/900,048
6. Step 6: Final answer
   x = 1,780,339.95