Finding the Third Proportional to 53,176.50 and 79,926.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,176.50 : 79,926.75 = 79,926.75 : x
2. Step 2: Convert to fraction form
   53,176.50/79,926.75 = 79,926.75/x
3. Step 3: Cross multiply
   53,176.50x = 79,926.75 × 79,926.75
4. Step 4: Simplify right side
   53,176.50x = 6,388,285,365.56
5. Step 5: Solve for x
   x = 6,388,285,365.56/53,176.50
6. Step 6: Final answer
   x = 120,133.62