Finding the Third Proportional to 26,380 and 40,978

Step by Step Solution

1. Step 1: Write the proportion equation
   26,380 : 40,978 = 40,978 : x
2. Step 2: Convert to fraction form
   26,380/40,978 = 40,978/x
3. Step 3: Cross multiply
   26,380x = 40,978 × 40,978
4. Step 4: Simplify right side
   26,380x = 1,679,196,484
5. Step 5: Solve for x
   x = 1,679,196,484/26,380
6. Step 6: Final answer
   x = 63,654.15