Finding the Third Proportional to 18,003 and 37,389

Step by Step Solution

1. Step 1: Write the proportion equation
   18,003 : 37,389 = 37,389 : x
2. Step 2: Convert to fraction form
   18,003/37,389 = 37,389/x
3. Step 3: Cross multiply
   18,003x = 37,389 × 37,389
4. Step 4: Simplify right side
   18,003x = 1,397,937,321
5. Step 5: Solve for x
   x = 1,397,937,321/18,003
6. Step 6: Final answer
   x = 77,650.24