Finding the Third Proportional to 69,366.38 and 103,859.72

Step by Step Solution

1. Step 1: Write the proportion equation
   69,366.38 : 103,859.72 = 103,859.72 : x
2. Step 2: Convert to fraction form
   69,366.38/103,859.72 = 103,859.72/x
3. Step 3: Cross multiply
   69,366.38x = 103,859.72 × 103,859.72
4. Step 4: Simplify right side
   69,366.38x = 10,786,841,178.83
5. Step 5: Solve for x
   x = 10,786,841,178.83/69,366.38
6. Step 6: Final answer
   x = 155,505.33