Finding the Third Proportional to 40,299 and 69,952.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,299 : 69,952.50 = 69,952.50 : x
2. Step 2: Convert to fraction form
   40,299/69,952.50 = 69,952.50/x
3. Step 3: Cross multiply
   40,299x = 69,952.50 × 69,952.50
4. Step 4: Simplify right side
   40,299x = 4,893,352,256.25
5. Step 5: Solve for x
   x = 4,893,352,256.25/40,299
6. Step 6: Final answer
   x = 121,426.15