Finding the Third Proportional to 450,707 and 674,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   450,707 : 674,656.50 = 674,656.50 : x
2. Step 2: Convert to fraction form
   450,707/674,656.50 = 674,656.50/x
3. Step 3: Cross multiply
   450,707x = 674,656.50 × 674,656.50
4. Step 4: Simplify right side
   450,707x = 455,161,392,992.25
5. Step 5: Solve for x
   x = 455,161,392,992.25/450,707
6. Step 6: Final answer
   x = 1,009,883.12