Finding the Third Proportional to 139.88 and 150.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139.88 : 150.94 = 150.94 : x
2. Step 2: Convert to fraction form
   139.88/150.94 = 150.94/x
3. Step 3: Cross multiply
   139.88x = 150.94 × 150.94
4. Step 4: Simplify right side
   139.88x = 22,782.13
5. Step 5: Solve for x
   x = 22,782.13/139.88
6. Step 6: Final answer
   x = 162.87