Finding the Third Proportional to 216,544.50 and 333,270

Step by Step Solution

1. Step 1: Write the proportion equation
   216,544.50 : 333,270 = 333,270 : x
2. Step 2: Convert to fraction form
   216,544.50/333,270 = 333,270/x
3. Step 3: Cross multiply
   216,544.50x = 333,270 × 333,270
4. Step 4: Simplify right side
   216,544.50x = 111,068,892,900
5. Step 5: Solve for x
   x = 111,068,892,900/216,544.50
6. Step 6: Final answer
   x = 512,914.86