Finding the Third Proportional to 301,722 and 447,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,722 : 447,358.50 = 447,358.50 : x
2. Step 2: Convert to fraction form
   301,722/447,358.50 = 447,358.50/x
3. Step 3: Cross multiply
   301,722x = 447,358.50 × 447,358.50
4. Step 4: Simplify right side
   301,722x = 200,129,627,522.25
5. Step 5: Solve for x
   x = 200,129,627,522.25/301,722
6. Step 6: Final answer
   x = 663,291.47