Finding the Third Proportional to 16,978.75 and 37,112.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,978.75 : 37,112.75 = 37,112.75 : x
2. Step 2: Convert to fraction form
   16,978.75/37,112.75 = 37,112.75/x
3. Step 3: Cross multiply
   16,978.75x = 37,112.75 × 37,112.75
4. Step 4: Simplify right side
   16,978.75x = 1,377,356,212.56
5. Step 5: Solve for x
   x = 1,377,356,212.56/16,978.75
6. Step 6: Final answer
   x = 81,122.36