Finding the Third Proportional to 26,870 and 58,405

Step by Step Solution

1. Step 1: Write the proportion equation
   26,870 : 58,405 = 58,405 : x
2. Step 2: Convert to fraction form
   26,870/58,405 = 58,405/x
3. Step 3: Cross multiply
   26,870x = 58,405 × 58,405
4. Step 4: Simplify right side
   26,870x = 3,411,144,025
5. Step 5: Solve for x
   x = 3,411,144,025/26,870
6. Step 6: Final answer
   x = 126,949.91