Finding the Third Proportional to 27,942.66 and 42,275.16

Step by Step Solution

1. Step 1: Write the proportion equation
   27,942.66 : 42,275.16 = 42,275.16 : x
2. Step 2: Convert to fraction form
   27,942.66/42,275.16 = 42,275.16/x
3. Step 3: Cross multiply
   27,942.66x = 42,275.16 × 42,275.16
4. Step 4: Simplify right side
   27,942.66x = 1,787,188,835.96
5. Step 5: Solve for x
   x = 1,787,188,835.96/27,942.66
6. Step 6: Final answer
   x = 63,959.16