Finding the Third Proportional to 18,060 and 39,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,060 : 39,061.50 = 39,061.50 : x
2. Step 2: Convert to fraction form
   18,060/39,061.50 = 39,061.50/x
3. Step 3: Cross multiply
   18,060x = 39,061.50 × 39,061.50
4. Step 4: Simplify right side
   18,060x = 1,525,800,782.25
5. Step 5: Solve for x
   x = 1,525,800,782.25/18,060
6. Step 6: Final answer
   x = 84,485.09