Finding the Third Proportional to 52,453.13 and 78,661.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,453.13 : 78,661.69 = 78,661.69 : x
2. Step 2: Convert to fraction form
   52,453.13/78,661.69 = 78,661.69/x
3. Step 3: Cross multiply
   52,453.13x = 78,661.69 × 78,661.69
4. Step 4: Simplify right side
   52,453.13x = 6,187,661,080.35
5. Step 5: Solve for x
   x = 6,187,661,080.35/52,453.13
6. Step 6: Final answer
   x = 117,965.54