Finding the Third Proportional to 51,646.25 and 79,804.81

Step by Step Solution

1. Step 1: Write the proportion equation
   51,646.25 : 79,804.81 = 79,804.81 : x
2. Step 2: Convert to fraction form
   51,646.25/79,804.81 = 79,804.81/x
3. Step 3: Cross multiply
   51,646.25x = 79,804.81 × 79,804.81
4. Step 4: Simplify right side
   51,646.25x = 6,368,807,698.75
5. Step 5: Solve for x
   x = 6,368,807,698.75/51,646.25
6. Step 6: Final answer
   x = 123,315.97