Finding the Third Proportional to 216,928.50 and 470,352

Step by Step Solution

1. Step 1: Write the proportion equation
   216,928.50 : 470,352 = 470,352 : x
2. Step 2: Convert to fraction form
   216,928.50/470,352 = 470,352/x
3. Step 3: Cross multiply
   216,928.50x = 470,352 × 470,352
4. Step 4: Simplify right side
   216,928.50x = 221,231,003,904
5. Step 5: Solve for x
   x = 221,231,003,904/216,928.50
6. Step 6: Final answer
   x = 1,019,833.74