Finding the Third Proportional to 26,200 and 56,570

Step by Step Solution

1. Step 1: Write the proportion equation
   26,200 : 56,570 = 56,570 : x
2. Step 2: Convert to fraction form
   26,200/56,570 = 56,570/x
3. Step 3: Cross multiply
   26,200x = 56,570 × 56,570
4. Step 4: Simplify right side
   26,200x = 3,200,164,900
5. Step 5: Solve for x
   x = 3,200,164,900/26,200
6. Step 6: Final answer
   x = 122,143.70