Finding the Third Proportional to 81,178.50 and 118,626

Step by Step Solution

1. Step 1: Write the proportion equation
   81,178.50 : 118,626 = 118,626 : x
2. Step 2: Convert to fraction form
   81,178.50/118,626 = 118,626/x
3. Step 3: Cross multiply
   81,178.50x = 118,626 × 118,626
4. Step 4: Simplify right side
   81,178.50x = 14,072,127,876
5. Step 5: Solve for x
   x = 14,072,127,876/81,178.50
6. Step 6: Final answer
   x = 173,347.97