Finding the Third Proportional to 20,541.50 and 42,056

Step by Step Solution

1. Step 1: Write the proportion equation
   20,541.50 : 42,056 = 42,056 : x
2. Step 2: Convert to fraction form
   20,541.50/42,056 = 42,056/x
3. Step 3: Cross multiply
   20,541.50x = 42,056 × 42,056
4. Step 4: Simplify right side
   20,541.50x = 1,768,707,136
5. Step 5: Solve for x
   x = 1,768,707,136/20,541.50
6. Step 6: Final answer
   x = 86,104.09