Finding the Third Proportional to 103,037.50 and 217,145

Step by Step Solution

1. Step 1: Write the proportion equation
   103,037.50 : 217,145 = 217,145 : x
2. Step 2: Convert to fraction form
   103,037.50/217,145 = 217,145/x
3. Step 3: Cross multiply
   103,037.50x = 217,145 × 217,145
4. Step 4: Simplify right side
   103,037.50x = 47,151,951,025
5. Step 5: Solve for x
   x = 47,151,951,025/103,037.50
6. Step 6: Final answer
   x = 457,619.32