Finding the Third Proportional to 26,870 and 57,436

Step by Step Solution

1. Step 1: Write the proportion equation
   26,870 : 57,436 = 57,436 : x
2. Step 2: Convert to fraction form
   26,870/57,436 = 57,436/x
3. Step 3: Cross multiply
   26,870x = 57,436 × 57,436
4. Step 4: Simplify right side
   26,870x = 3,298,894,096
5. Step 5: Solve for x
   x = 3,298,894,096/26,870
6. Step 6: Final answer
   x = 122,772.39