Finding the Third Proportional to 456,630 and 723,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   456,630 : 723,019.50 = 723,019.50 : x
2. Step 2: Convert to fraction form
   456,630/723,019.50 = 723,019.50/x
3. Step 3: Cross multiply
   456,630x = 723,019.50 × 723,019.50
4. Step 4: Simplify right side
   456,630x = 522,757,197,380.25
5. Step 5: Solve for x
   x = 522,757,197,380.25/456,630
6. Step 6: Final answer
   x = 1,144,815.71