Finding the Third Proportional to 228,188.50 and 470,921

Step by Step Solution

1. Step 1: Write the proportion equation
   228,188.50 : 470,921 = 470,921 : x
2. Step 2: Convert to fraction form
   228,188.50/470,921 = 470,921/x
3. Step 3: Cross multiply
   228,188.50x = 470,921 × 470,921
4. Step 4: Simplify right side
   228,188.50x = 221,766,588,241
5. Step 5: Solve for x
   x = 221,766,588,241/228,188.50
6. Step 6: Final answer
   x = 971,856.99