Finding the Third Proportional to 103,033.50 and 217,290

Step by Step Solution

1. Step 1: Write the proportion equation
   103,033.50 : 217,290 = 217,290 : x
2. Step 2: Convert to fraction form
   103,033.50/217,290 = 217,290/x
3. Step 3: Cross multiply
   103,033.50x = 217,290 × 217,290
4. Step 4: Simplify right side
   103,033.50x = 47,214,944,100
5. Step 5: Solve for x
   x = 47,214,944,100/103,033.50
6. Step 6: Final answer
   x = 458,248.47