Finding the Third Proportional to 69,424.59 and 104,993.72

Step by Step Solution

1. Step 1: Write the proportion equation
   69,424.59 : 104,993.72 = 104,993.72 : x
2. Step 2: Convert to fraction form
   69,424.59/104,993.72 = 104,993.72/x
3. Step 3: Cross multiply
   69,424.59x = 104,993.72 × 104,993.72
4. Step 4: Simplify right side
   69,424.59x = 11,023,680,976.95
5. Step 5: Solve for x
   x = 11,023,680,976.95/69,424.59
6. Step 6: Final answer
   x = 158,786.40