Finding the Third Proportional to 81,451.50 and 122,694

Step by Step Solution

1. Step 1: Write the proportion equation
   81,451.50 : 122,694 = 122,694 : x
2. Step 2: Convert to fraction form
   81,451.50/122,694 = 122,694/x
3. Step 3: Cross multiply
   81,451.50x = 122,694 × 122,694
4. Step 4: Simplify right side
   81,451.50x = 15,053,817,636
5. Step 5: Solve for x
   x = 15,053,817,636/81,451.50
6. Step 6: Final answer
   x = 184,819.40