Finding the Third Proportional to 18,276 and 37,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,276 : 37,988.50 = 37,988.50 : x
2. Step 2: Convert to fraction form
   18,276/37,988.50 = 37,988.50/x
3. Step 3: Cross multiply
   18,276x = 37,988.50 × 37,988.50
4. Step 4: Simplify right side
   18,276x = 1,443,126,132.25
5. Step 5: Solve for x
   x = 1,443,126,132.25/18,276
6. Step 6: Final answer
   x = 78,962.91