Finding the Third Proportional to 69,162.50 and 109,791.75

Step by Step Solution

1. Step 1: Write the proportion equation
   69,162.50 : 109,791.75 = 109,791.75 : x
2. Step 2: Convert to fraction form
   69,162.50/109,791.75 = 109,791.75/x
3. Step 3: Cross multiply
   69,162.50x = 109,791.75 × 109,791.75
4. Step 4: Simplify right side
   69,162.50x = 12,054,228,368.06
5. Step 5: Solve for x
   x = 12,054,228,368.06/69,162.50
6. Step 6: Final answer
   x = 174,288.50