Finding the Third Proportional to 76,716.75 and 103,196.25

Step by Step Solution

1. Step 1: Write the proportion equation
   76,716.75 : 103,196.25 = 103,196.25 : x
2. Step 2: Convert to fraction form
   76,716.75/103,196.25 = 103,196.25/x
3. Step 3: Cross multiply
   76,716.75x = 103,196.25 × 103,196.25
4. Step 4: Simplify right side
   76,716.75x = 10,649,466,014.06
5. Step 5: Solve for x
   x = 10,649,466,014.06/76,716.75
6. Step 6: Final answer
   x = 138,815.40