Finding the Third Proportional to 68,813.61 and 104,171.89

Step by Step Solution

1. Step 1: Write the proportion equation
   68,813.61 : 104,171.89 = 104,171.89 : x
2. Step 2: Convert to fraction form
   68,813.61/104,171.89 = 104,171.89/x
3. Step 3: Cross multiply
   68,813.61x = 104,171.89 × 104,171.89
4. Step 4: Simplify right side
   68,813.61x = 10,851,783,305.04
5. Step 5: Solve for x
   x = 10,851,783,305.04/68,813.61
6. Step 6: Final answer
   x = 157,698.21