Finding the Third Proportional to 161,869.50 and 352,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,869.50 : 352,093.50 = 352,093.50 : x
2. Step 2: Convert to fraction form
   161,869.50/352,093.50 = 352,093.50/x
3. Step 3: Cross multiply
   161,869.50x = 352,093.50 × 352,093.50
4. Step 4: Simplify right side
   161,869.50x = 123,969,832,742.25
5. Step 5: Solve for x
   x = 123,969,832,742.25/161,869.50
6. Step 6: Final answer
   x = 765,862.83