Finding the Third Proportional to 745,434 and 993,150

Step by Step Solution

1. Step 1: Write the proportion equation
   745,434 : 993,150 = 993,150 : x
2. Step 2: Convert to fraction form
   745,434/993,150 = 993,150/x
3. Step 3: Cross multiply
   745,434x = 993,150 × 993,150
4. Step 4: Simplify right side
   745,434x = 986,346,922,500
5. Step 5: Solve for x
   x = 986,346,922,500/745,434
6. Step 6: Final answer
   x = 1,323,184.78