Finding the Third Proportional to 16,929 and 37,139

Step by Step Solution

1. Step 1: Write the proportion equation
   16,929 : 37,139 = 37,139 : x
2. Step 2: Convert to fraction form
   16,929/37,139 = 37,139/x
3. Step 3: Cross multiply
   16,929x = 37,139 × 37,139
4. Step 4: Simplify right side
   16,929x = 1,379,305,321
5. Step 5: Solve for x
   x = 1,379,305,321/16,929
6. Step 6: Final answer
   x = 81,475.89