Finding the Third Proportional to 49,357.50 and 79,486.13

Step by Step Solution

1. Step 1: Write the proportion equation
   49,357.50 : 79,486.13 = 79,486.13 : x
2. Step 2: Convert to fraction form
   49,357.50/79,486.13 = 79,486.13/x
3. Step 3: Cross multiply
   49,357.50x = 79,486.13 × 79,486.13
4. Step 4: Simplify right side
   49,357.50x = 6,318,044,067.52
5. Step 5: Solve for x
   x = 6,318,044,067.52/49,357.50
6. Step 6: Final answer
   x = 128,005.76