Finding the Third Proportional to 26,870 and 42,366

Step by Step Solution

1. Step 1: Write the proportion equation
   26,870 : 42,366 = 42,366 : x
2. Step 2: Convert to fraction form
   26,870/42,366 = 42,366/x
3. Step 3: Cross multiply
   26,870x = 42,366 × 42,366
4. Step 4: Simplify right side
   26,870x = 1,794,877,956
5. Step 5: Solve for x
   x = 1,794,877,956/26,870
6. Step 6: Final answer
   x = 66,798.58