Finding the Third Proportional to 18,128 and 37,632

Step by Step Solution

1. Step 1: Write the proportion equation
   18,128 : 37,632 = 37,632 : x
2. Step 2: Convert to fraction form
   18,128/37,632 = 37,632/x
3. Step 3: Cross multiply
   18,128x = 37,632 × 37,632
4. Step 4: Simplify right side
   18,128x = 1,416,167,424
5. Step 5: Solve for x
   x = 1,416,167,424/18,128
6. Step 6: Final answer
   x = 78,120.44