Finding the Third Proportional to 161,138 and 350,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,138 : 350,949.50 = 350,949.50 : x
2. Step 2: Convert to fraction form
   161,138/350,949.50 = 350,949.50/x
3. Step 3: Cross multiply
   161,138x = 350,949.50 × 350,949.50
4. Step 4: Simplify right side
   161,138x = 123,165,551,550.25
5. Step 5: Solve for x
   x = 123,165,551,550.25/161,138
6. Step 6: Final answer
   x = 764,348.27