Finding the Third Proportional to 161,452.50 and 351,969

Step by Step Solution

1. Step 1: Write the proportion equation
   161,452.50 : 351,969 = 351,969 : x
2. Step 2: Convert to fraction form
   161,452.50/351,969 = 351,969/x
3. Step 3: Cross multiply
   161,452.50x = 351,969 × 351,969
4. Step 4: Simplify right side
   161,452.50x = 123,882,176,961
5. Step 5: Solve for x
   x = 123,882,176,961/161,452.50
6. Step 6: Final answer
   x = 767,297.98