Finding the Third Proportional to 302,899.50 and 475,200

Step by Step Solution

1. Step 1: Write the proportion equation
   302,899.50 : 475,200 = 475,200 : x
2. Step 2: Convert to fraction form
   302,899.50/475,200 = 475,200/x
3. Step 3: Cross multiply
   302,899.50x = 475,200 × 475,200
4. Step 4: Simplify right side
   302,899.50x = 225,815,040,000
5. Step 5: Solve for x
   x = 225,815,040,000/302,899.50
6. Step 6: Final answer
   x = 745,511.43