Finding the Third Proportional to 99.88 and 194.75

Step by Step Solution

1. Step 1: Write the proportion equation
   99.88 : 194.75 = 194.75 : x
2. Step 2: Convert to fraction form
   99.88/194.75 = 194.75/x
3. Step 3: Cross multiply
   99.88x = 194.75 × 194.75
4. Step 4: Simplify right side
   99.88x = 37,927.56
5. Step 5: Solve for x
   x = 37,927.56/99.88
6. Step 6: Final answer
   x = 379.75