Finding the Third Proportional to 37,137.75 and 54,887.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,137.75 : 54,887.25 = 54,887.25 : x
2. Step 2: Convert to fraction form
   37,137.75/54,887.25 = 54,887.25/x
3. Step 3: Cross multiply
   37,137.75x = 54,887.25 × 54,887.25
4. Step 4: Simplify right side
   37,137.75x = 3,012,610,212.56
5. Step 5: Solve for x
   x = 3,012,610,212.56/37,137.75
6. Step 6: Final answer
   x = 81,119.89