Finding the Third Proportional to 161,442 and 351,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,442 : 351,949.50 = 351,949.50 : x
2. Step 2: Convert to fraction form
   161,442/351,949.50 = 351,949.50/x
3. Step 3: Cross multiply
   161,442x = 351,949.50 × 351,949.50
4. Step 4: Simplify right side
   161,442x = 123,868,450,550.25
5. Step 5: Solve for x
   x = 123,868,450,550.25/161,442
6. Step 6: Final answer
   x = 767,262.86