Finding the Third Proportional to 333,632 and 491,600

Step by Step Solution

1. Step 1: Write the proportion equation
   333,632 : 491,600 = 491,600 : x
2. Step 2: Convert to fraction form
   333,632/491,600 = 491,600/x
3. Step 3: Cross multiply
   333,632x = 491,600 × 491,600
4. Step 4: Simplify right side
   333,632x = 241,670,560,000
5. Step 5: Solve for x
   x = 241,670,560,000/333,632
6. Step 6: Final answer
   x = 724,362.65