Finding the Third Proportional to 451,636.50 and 660,492

Step by Step Solution

1. Step 1: Write the proportion equation
   451,636.50 : 660,492 = 660,492 : x
2. Step 2: Convert to fraction form
   451,636.50/660,492 = 660,492/x
3. Step 3: Cross multiply
   451,636.50x = 660,492 × 660,492
4. Step 4: Simplify right side
   451,636.50x = 436,249,682,064
5. Step 5: Solve for x
   x = 436,249,682,064/451,636.50
6. Step 6: Final answer
   x = 965,930.97