Finding the Third Proportional to 102,018.50 and 155,286

Step by Step Solution

1. Step 1: Write the proportion equation
   102,018.50 : 155,286 = 155,286 : x
2. Step 2: Convert to fraction form
   102,018.50/155,286 = 155,286/x
3. Step 3: Cross multiply
   102,018.50x = 155,286 × 155,286
4. Step 4: Simplify right side
   102,018.50x = 24,113,741,796
5. Step 5: Solve for x
   x = 24,113,741,796/102,018.50
6. Step 6: Final answer
   x = 236,366.36