Finding the Third Proportional to 79,431.38 and 123,835.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,431.38 : 123,835.88 = 123,835.88 : x
2. Step 2: Convert to fraction form
   79,431.38/123,835.88 = 123,835.88/x
3. Step 3: Cross multiply
   79,431.38x = 123,835.88 × 123,835.88
4. Step 4: Simplify right side
   79,431.38x = 15,335,323,937.02
5. Step 5: Solve for x
   x = 15,335,323,937.02/79,431.38
6. Step 6: Final answer
   x = 193,063.81