Finding the Third Proportional to 70.83 and 148.83

Step by Step Solution

1. Step 1: Write the proportion equation
   70.83 : 148.83 = 148.83 : x
2. Step 2: Convert to fraction form
   70.83/148.83 = 148.83/x
3. Step 3: Cross multiply
   70.83x = 148.83 × 148.83
4. Step 4: Simplify right side
   70.83x = 22,149.81
5. Step 5: Solve for x
   x = 22,149.81/70.83
6. Step 6: Final answer
   x = 312.73