Finding the Third Proportional to 56.31 and 76.47

Step by Step Solution

1. Step 1: Write the proportion equation
   56.31 : 76.47 = 76.47 : x
2. Step 2: Convert to fraction form
   56.31/76.47 = 76.47/x
3. Step 3: Cross multiply
   56.31x = 76.47 × 76.47
4. Step 4: Simplify right side
   56.31x = 5,847.47
5. Step 5: Solve for x
   x = 5,847.47/56.31
6. Step 6: Final answer
   x = 103.84