Finding the Third Proportional to 18,139.50 and 38,061

Step by Step Solution

1. Step 1: Write the proportion equation
   18,139.50 : 38,061 = 38,061 : x
2. Step 2: Convert to fraction form
   18,139.50/38,061 = 38,061/x
3. Step 3: Cross multiply
   18,139.50x = 38,061 × 38,061
4. Step 4: Simplify right side
   18,139.50x = 1,448,639,721
5. Step 5: Solve for x
   x = 1,448,639,721/18,139.50
6. Step 6: Final answer
   x = 79,861.06