Finding the Third Proportional to 598,833 and 820,489.50

Step by Step Solution

1. Step 1: Write the proportion equation
   598,833 : 820,489.50 = 820,489.50 : x
2. Step 2: Convert to fraction form
   598,833/820,489.50 = 820,489.50/x
3. Step 3: Cross multiply
   598,833x = 820,489.50 × 820,489.50
4. Step 4: Simplify right side
   598,833x = 673,203,019,610.25
5. Step 5: Solve for x
   x = 673,203,019,610.25/598,833
6. Step 6: Final answer
   x = 1,124,191.59