Finding the Third Proportional to 677,285 and 922,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   677,285 : 922,493.50 = 922,493.50 : x
2. Step 2: Convert to fraction form
   677,285/922,493.50 = 922,493.50/x
3. Step 3: Cross multiply
   677,285x = 922,493.50 × 922,493.50
4. Step 4: Simplify right side
   677,285x = 850,994,257,542.25
5. Step 5: Solve for x
   x = 850,994,257,542.25/677,285
6. Step 6: Final answer
   x = 1,256,478.82