Finding the Third Proportional to 43,578 and 69,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,578 : 69,268.50 = 69,268.50 : x
2. Step 2: Convert to fraction form
   43,578/69,268.50 = 69,268.50/x
3. Step 3: Cross multiply
   43,578x = 69,268.50 × 69,268.50
4. Step 4: Simplify right side
   43,578x = 4,798,125,092.25
5. Step 5: Solve for x
   x = 4,798,125,092.25/43,578
6. Step 6: Final answer
   x = 110,104.30