Finding the Third Proportional to 57,370.50 and 80,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,370.50 : 80,647.50 = 80,647.50 : x
2. Step 2: Convert to fraction form
   57,370.50/80,647.50 = 80,647.50/x
3. Step 3: Cross multiply
   57,370.50x = 80,647.50 × 80,647.50
4. Step 4: Simplify right side
   57,370.50x = 6,504,019,256.25
5. Step 5: Solve for x
   x = 6,504,019,256.25/57,370.50
6. Step 6: Final answer
   x = 113,368.70