Finding the Third Proportional to 37,257.75 and 72,641.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,257.75 : 72,641.25 = 72,641.25 : x
2. Step 2: Convert to fraction form
   37,257.75/72,641.25 = 72,641.25/x
3. Step 3: Cross multiply
   37,257.75x = 72,641.25 × 72,641.25
4. Step 4: Simplify right side
   37,257.75x = 5,276,751,201.56
5. Step 5: Solve for x
   x = 5,276,751,201.56/37,257.75
6. Step 6: Final answer
   x = 141,628.28