Finding the Third Proportional to 56,782.27 and 79,620.47

Step by Step Solution

1. Step 1: Write the proportion equation
   56,782.27 : 79,620.47 = 79,620.47 : x
2. Step 2: Convert to fraction form
   56,782.27/79,620.47 = 79,620.47/x
3. Step 3: Cross multiply
   56,782.27x = 79,620.47 × 79,620.47
4. Step 4: Simplify right side
   56,782.27x = 6,339,419,043.97
5. Step 5: Solve for x
   x = 6,339,419,043.97/56,782.27
6. Step 6: Final answer
   x = 111,644.35