Finding the Third Proportional to 18,132 and 37,772

Step by Step Solution

1. Step 1: Write the proportion equation
   18,132 : 37,772 = 37,772 : x
2. Step 2: Convert to fraction form
   18,132/37,772 = 37,772/x
3. Step 3: Cross multiply
   18,132x = 37,772 × 37,772
4. Step 4: Simplify right side
   18,132x = 1,426,723,984
5. Step 5: Solve for x
   x = 1,426,723,984/18,132
6. Step 6: Final answer
   x = 78,685.42