Finding the Third Proportional to 457,932 and 673,186.50

Step by Step Solution

1. Step 1: Write the proportion equation
   457,932 : 673,186.50 = 673,186.50 : x
2. Step 2: Convert to fraction form
   457,932/673,186.50 = 673,186.50/x
3. Step 3: Cross multiply
   457,932x = 673,186.50 × 673,186.50
4. Step 4: Simplify right side
   457,932x = 453,180,063,782.25
5. Step 5: Solve for x
   x = 453,180,063,782.25/457,932
6. Step 6: Final answer
   x = 989,623.05