Finding the Third Proportional to 451,722 and 660,586.50

Step by Step Solution

1. Step 1: Write the proportion equation
   451,722 : 660,586.50 = 660,586.50 : x
2. Step 2: Convert to fraction form
   451,722/660,586.50 = 660,586.50/x
3. Step 3: Cross multiply
   451,722x = 660,586.50 × 660,586.50
4. Step 4: Simplify right side
   451,722x = 436,374,523,982.25
5. Step 5: Solve for x
   x = 436,374,523,982.25/451,722
6. Step 6: Final answer
   x = 966,024.51