Finding the Third Proportional to 74,175.75 and 113,131.69

Step by Step Solution

1. Step 1: Write the proportion equation
   74,175.75 : 113,131.69 = 113,131.69 : x
2. Step 2: Convert to fraction form
   74,175.75/113,131.69 = 113,131.69/x
3. Step 3: Cross multiply
   74,175.75x = 113,131.69 × 113,131.69
4. Step 4: Simplify right side
   74,175.75x = 12,798,778,716.60
5. Step 5: Solve for x
   x = 12,798,778,716.60/74,175.75
6. Step 6: Final answer
   x = 172,546.67