Finding the Third Proportional to 605,134 and 822,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   605,134 : 822,268.50 = 822,268.50 : x
2. Step 2: Convert to fraction form
   605,134/822,268.50 = 822,268.50/x
3. Step 3: Cross multiply
   605,134x = 822,268.50 × 822,268.50
4. Step 4: Simplify right side
   605,134x = 676,125,486,092.25
5. Step 5: Solve for x
   x = 676,125,486,092.25/605,134
6. Step 6: Final answer
   x = 1,117,315.32