Finding the Third Proportional to 59,743.50 and 129,168

Step by Step Solution

1. Step 1: Write the proportion equation
   59,743.50 : 129,168 = 129,168 : x
2. Step 2: Convert to fraction form
   59,743.50/129,168 = 129,168/x
3. Step 3: Cross multiply
   59,743.50x = 129,168 × 129,168
4. Step 4: Simplify right side
   59,743.50x = 16,684,372,224
5. Step 5: Solve for x
   x = 16,684,372,224/59,743.50
6. Step 6: Final answer
   x = 279,266.74