Finding the Third Proportional to 46.20 and 100.51

Step by Step Solution

1. Step 1: Write the proportion equation
   46.20 : 100.51 = 100.51 : x
2. Step 2: Convert to fraction form
   46.20/100.51 = 100.51/x
3. Step 3: Cross multiply
   46.20x = 100.51 × 100.51
4. Step 4: Simplify right side
   46.20x = 10,102.61
5. Step 5: Solve for x
   x = 10,102.61/46.20
6. Step 6: Final answer
   x = 218.69