Finding the Third Proportional to 45.47 and 99.94

Step by Step Solution

1. Step 1: Write the proportion equation
   45.47 : 99.94 = 99.94 : x
2. Step 2: Convert to fraction form
   45.47/99.94 = 99.94/x
3. Step 3: Cross multiply
   45.47x = 99.94 × 99.94
4. Step 4: Simplify right side
   45.47x = 9,987.50
5. Step 5: Solve for x
   x = 9,987.50/45.47
6. Step 6: Final answer
   x = 219.66