Finding the Third Proportional to 45.56 and 99.98

Step by Step Solution

1. Step 1: Write the proportion equation
   45.56 : 99.98 = 99.98 : x
2. Step 2: Convert to fraction form
   45.56/99.98 = 99.98/x
3. Step 3: Cross multiply
   45.56x = 99.98 × 99.98
4. Step 4: Simplify right side
   45.56x = 9,996.88
5. Step 5: Solve for x
   x = 9,996.88/45.56
6. Step 6: Final answer
   x = 219.41