Finding the Third Proportional to 37,725.75 and 55,512.21

Step by Step Solution

1. Step 1: Write the proportion equation
   37,725.75 : 55,512.21 = 55,512.21 : x
2. Step 2: Convert to fraction form
   37,725.75/55,512.21 = 55,512.21/x
3. Step 3: Cross multiply
   37,725.75x = 55,512.21 × 55,512.21
4. Step 4: Simplify right side
   37,725.75x = 3,081,605,563.17
5. Step 5: Solve for x
   x = 3,081,605,563.17/37,725.75
6. Step 6: Final answer
   x = 81,684.41