Finding the Third Proportional to 69,609.50 and 106,046.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,609.50 : 106,046.25 = 106,046.25 : x
2. Step 2: Convert to fraction form
   69,609.50/106,046.25 = 106,046.25/x
3. Step 3: Cross multiply
   69,609.50x = 106,046.25 × 106,046.25
4. Step 4: Simplify right side
   69,609.50x = 11,245,807,139.06
5. Step 5: Solve for x
   x = 11,245,807,139.06/69,609.50
6. Step 6: Final answer
   x = 161,555.64