Finding the Third Proportional to 763,403 and 1,036,787

Step by Step Solution

1. Step 1: Write the proportion equation
   763,403 : 1,036,787 = 1,036,787 : x
2. Step 2: Convert to fraction form
   763,403/1,036,787 = 1,036,787/x
3. Step 3: Cross multiply
   763,403x = 1,036,787 × 1,036,787
4. Step 4: Simplify right side
   763,403x = 1,074,927,283,369
5. Step 5: Solve for x
   x = 1,074,927,283,369/763,403
6. Step 6: Final answer
   x = 1,408,073.17