Finding the Third Proportional to 72.94 and 100.22

Step by Step Solution

1. Step 1: Write the proportion equation
   72.94 : 100.22 = 100.22 : x
2. Step 2: Convert to fraction form
   72.94/100.22 = 100.22/x
3. Step 3: Cross multiply
   72.94x = 100.22 × 100.22
4. Step 4: Simplify right side
   72.94x = 10,043.80
5. Step 5: Solve for x
   x = 10,043.80/72.94
6. Step 6: Final answer
   x = 137.70