Finding the Third Proportional to 458,799 and 723,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   458,799 : 723,019.50 = 723,019.50 : x
2. Step 2: Convert to fraction form
   458,799/723,019.50 = 723,019.50/x
3. Step 3: Cross multiply
   458,799x = 723,019.50 × 723,019.50
4. Step 4: Simplify right side
   458,799x = 522,757,197,380.25
5. Step 5: Solve for x
   x = 522,757,197,380.25/458,799
6. Step 6: Final answer
   x = 1,139,403.52