Finding the Third Proportional to 161,137.69 and 351,162

Step by Step Solution

1. Step 1: Write the proportion equation
   161,137.69 : 351,162 = 351,162 : x
2. Step 2: Convert to fraction form
   161,137.69/351,162 = 351,162/x
3. Step 3: Cross multiply
   161,137.69x = 351,162 × 351,162
4. Step 4: Simplify right side
   161,137.69x = 123,314,750,244
5. Step 5: Solve for x
   x = 123,314,750,244/161,137.69
6. Step 6: Final answer
   x = 765,275.66