Finding the Third Proportional to 53,115.75 and 79,797.38

Step by Step Solution

1. Step 1: Write the proportion equation
   53,115.75 : 79,797.38 = 79,797.38 : x
2. Step 2: Convert to fraction form
   53,115.75/79,797.38 = 79,797.38/x
3. Step 3: Cross multiply
   53,115.75x = 79,797.38 × 79,797.38
4. Step 4: Simplify right side
   53,115.75x = 6,367,621,056.89
5. Step 5: Solve for x
   x = 6,367,621,056.89/53,115.75
6. Step 6: Final answer
   x = 119,881.98