Finding the Third Proportional to 16,945 and 37,121

Step by Step Solution

1. Step 1: Write the proportion equation
   16,945 : 37,121 = 37,121 : x
2. Step 2: Convert to fraction form
   16,945/37,121 = 37,121/x
3. Step 3: Cross multiply
   16,945x = 37,121 × 37,121
4. Step 4: Simplify right side
   16,945x = 1,377,968,641
5. Step 5: Solve for x
   x = 1,377,968,641/16,945
6. Step 6: Final answer
   x = 81,320.07