Finding the Third Proportional to 26,869 and 42,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,869 : 42,364.50 = 42,364.50 : x
2. Step 2: Convert to fraction form
   26,869/42,364.50 = 42,364.50/x
3. Step 3: Cross multiply
   26,869x = 42,364.50 × 42,364.50
4. Step 4: Simplify right side
   26,869x = 1,794,750,860.25
5. Step 5: Solve for x
   x = 1,794,750,860.25/26,869
6. Step 6: Final answer
   x = 66,796.34