Finding the Third Proportional to 27,942.75 and 42,275.25

Step by Step Solution

1. Step 1: Write the proportion equation
   27,942.75 : 42,275.25 = 42,275.25 : x
2. Step 2: Convert to fraction form
   27,942.75/42,275.25 = 42,275.25/x
3. Step 3: Cross multiply
   27,942.75x = 42,275.25 × 42,275.25
4. Step 4: Simplify right side
   27,942.75x = 1,787,196,762.56
5. Step 5: Solve for x
   x = 1,787,196,762.56/27,942.75
6. Step 6: Final answer
   x = 63,959.23