Finding the Third Proportional to 760,144.50 and 1,026,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   760,144.50 : 1,026,067.50 = 1,026,067.50 : x
2. Step 2: Convert to fraction form
   760,144.50/1,026,067.50 = 1,026,067.50/x
3. Step 3: Cross multiply
   760,144.50x = 1,026,067.50 × 1,026,067.50
4. Step 4: Simplify right side
   760,144.50x = 1,052,814,514,556.25
5. Step 5: Solve for x
   x = 1,052,814,514,556.25/760,144.50
6. Step 6: Final answer
   x = 1,385,018.92