Finding the Third Proportional to 29.10 and 42.86

Step by Step Solution

1. Step 1: Write the proportion equation
   29.10 : 42.86 = 42.86 : x
2. Step 2: Convert to fraction form
   29.10/42.86 = 42.86/x
3. Step 3: Cross multiply
   29.10x = 42.86 × 42.86
4. Step 4: Simplify right side
   29.10x = 1,837.25
5. Step 5: Solve for x
   x = 1,837.25/29.10
6. Step 6: Final answer
   x = 63.14