Finding the Third Proportional to 161,386 and 341,969

Step by Step Solution

1. Step 1: Write the proportion equation
   161,386 : 341,969 = 341,969 : x
2. Step 2: Convert to fraction form
   161,386/341,969 = 341,969/x
3. Step 3: Cross multiply
   161,386x = 341,969 × 341,969
4. Step 4: Simplify right side
   161,386x = 116,942,796,961
5. Step 5: Solve for x
   x = 116,942,796,961/161,386
6. Step 6: Final answer
   x = 724,615.50