Finding the Third Proportional to 161,056 and 342,902

Step by Step Solution

1. Step 1: Write the proportion equation
   161,056 : 342,902 = 342,902 : x
2. Step 2: Convert to fraction form
   161,056/342,902 = 342,902/x
3. Step 3: Cross multiply
   161,056x = 342,902 × 342,902
4. Step 4: Simplify right side
   161,056x = 117,581,781,604
5. Step 5: Solve for x
   x = 117,581,781,604/161,056
6. Step 6: Final answer
   x = 730,067.69