Finding the Third Proportional to 59,494.50 and 129,357

Step by Step Solution

1. Step 1: Write the proportion equation
   59,494.50 : 129,357 = 129,357 : x
2. Step 2: Convert to fraction form
   59,494.50/129,357 = 129,357/x
3. Step 3: Cross multiply
   59,494.50x = 129,357 × 129,357
4. Step 4: Simplify right side
   59,494.50x = 16,733,233,449
5. Step 5: Solve for x
   x = 16,733,233,449/59,494.50
6. Step 6: Final answer
   x = 281,256.81