Finding the Third Proportional to 18,306 and 37,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,306 : 37,993.50 = 37,993.50 : x
2. Step 2: Convert to fraction form
   18,306/37,993.50 = 37,993.50/x
3. Step 3: Cross multiply
   18,306x = 37,993.50 × 37,993.50
4. Step 4: Simplify right side
   18,306x = 1,443,506,042.25
5. Step 5: Solve for x
   x = 1,443,506,042.25/18,306
6. Step 6: Final answer
   x = 78,854.26