Finding the Third Proportional to 830,619 and 1,222,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   830,619 : 1,222,591.50 = 1,222,591.50 : x
2. Step 2: Convert to fraction form
   830,619/1,222,591.50 = 1,222,591.50/x
3. Step 3: Cross multiply
   830,619x = 1,222,591.50 × 1,222,591.50
4. Step 4: Simplify right side
   830,619x = 1,494,729,975,872.25
5. Step 5: Solve for x
   x = 1,494,729,975,872.25/830,619
6. Step 6: Final answer
   x = 1,799,537.42