Finding the Third Proportional to 550,067.50 and 875,266

Step by Step Solution

1. Step 1: Write the proportion equation
   550,067.50 : 875,266 = 875,266 : x
2. Step 2: Convert to fraction form
   550,067.50/875,266 = 875,266/x
3. Step 3: Cross multiply
   550,067.50x = 875,266 × 875,266
4. Step 4: Simplify right side
   550,067.50x = 766,090,570,756
5. Step 5: Solve for x
   x = 766,090,570,756/550,067.50
6. Step 6: Final answer
   x = 1,392,721.02