Finding the Third Proportional to 52,870.13 and 80,979.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,870.13 : 80,979.38 = 80,979.38 : x
2. Step 2: Convert to fraction form
   52,870.13/80,979.38 = 80,979.38/x
3. Step 3: Cross multiply
   52,870.13x = 80,979.38 × 80,979.38
4. Step 4: Simplify right side
   52,870.13x = 6,557,659,175.39
5. Step 5: Solve for x
   x = 6,557,659,175.39/52,870.13
6. Step 6: Final answer
   x = 124,033.36