Finding the Third Proportional to 17,912.81 and 39,060.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,912.81 : 39,060.56 = 39,060.56 : x
2. Step 2: Convert to fraction form
   17,912.81/39,060.56 = 39,060.56/x
3. Step 3: Cross multiply
   17,912.81x = 39,060.56 × 39,060.56
4. Step 4: Simplify right side
   17,912.81x = 1,525,727,542.82
5. Step 5: Solve for x
   x = 1,525,727,542.82/17,912.81
6. Step 6: Final answer
   x = 85,175.21