Finding the Third Proportional to 522,069.50 and 830,723

Step by Step Solution

1. Step 1: Write the proportion equation
   522,069.50 : 830,723 = 830,723 : x
2. Step 2: Convert to fraction form
   522,069.50/830,723 = 830,723/x
3. Step 3: Cross multiply
   522,069.50x = 830,723 × 830,723
4. Step 4: Simplify right side
   522,069.50x = 690,100,702,729
5. Step 5: Solve for x
   x = 690,100,702,729/522,069.50
6. Step 6: Final answer
   x = 1,321,856.00