Finding the Third Proportional to 26,380.69 and 42,954.05

Step by Step Solution

1. Step 1: Write the proportion equation
   26,380.69 : 42,954.05 = 42,954.05 : x
2. Step 2: Convert to fraction form
   26,380.69/42,954.05 = 42,954.05/x
3. Step 3: Cross multiply
   26,380.69x = 42,954.05 × 42,954.05
4. Step 4: Simplify right side
   26,380.69x = 1,845,050,142.94
5. Step 5: Solve for x
   x = 1,845,050,142.94/26,380.69
6. Step 6: Final answer
   x = 69,939.43