Finding the Third Proportional to 457,845 and 673,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   457,845 : 673,069.50 = 673,069.50 : x
2. Step 2: Convert to fraction form
   457,845/673,069.50 = 673,069.50/x
3. Step 3: Cross multiply
   457,845x = 673,069.50 × 673,069.50
4. Step 4: Simplify right side
   457,845x = 453,022,551,830.25
5. Step 5: Solve for x
   x = 453,022,551,830.25/457,845
6. Step 6: Final answer
   x = 989,467.07