Finding the Third Proportional to 16,988 and 37,431

Step by Step Solution

1. Step 1: Write the proportion equation
   16,988 : 37,431 = 37,431 : x
2. Step 2: Convert to fraction form
   16,988/37,431 = 37,431/x
3. Step 3: Cross multiply
   16,988x = 37,431 × 37,431
4. Step 4: Simplify right side
   16,988x = 1,401,079,761
5. Step 5: Solve for x
   x = 1,401,079,761/16,988
6. Step 6: Final answer
   x = 82,474.67