Finding the Third Proportional to 16,931 and 37,143

Step by Step Solution

1. Step 1: Write the proportion equation
   16,931 : 37,143 = 37,143 : x
2. Step 2: Convert to fraction form
   16,931/37,143 = 37,143/x
3. Step 3: Cross multiply
   16,931x = 37,143 × 37,143
4. Step 4: Simplify right side
   16,931x = 1,379,602,449
5. Step 5: Solve for x
   x = 1,379,602,449/16,931
6. Step 6: Final answer
   x = 81,483.81