Finding the Third Proportional to 887,721 and 1,256,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   887,721 : 1,256,104.50 = 1,256,104.50 : x
2. Step 2: Convert to fraction form
   887,721/1,256,104.50 = 1,256,104.50/x
3. Step 3: Cross multiply
   887,721x = 1,256,104.50 × 1,256,104.50
4. Step 4: Simplify right side
   887,721x = 1,577,798,514,920.25
5. Step 5: Solve for x
   x = 1,577,798,514,920.25/887,721
6. Step 6: Final answer
   x = 1,777,358.56