Finding the Third Proportional to 161,886 and 245,745

Step by Step Solution

1. Step 1: Write the proportion equation
   161,886 : 245,745 = 245,745 : x
2. Step 2: Convert to fraction form
   161,886/245,745 = 245,745/x
3. Step 3: Cross multiply
   161,886x = 245,745 × 245,745
4. Step 4: Simplify right side
   161,886x = 60,390,605,025
5. Step 5: Solve for x
   x = 60,390,605,025/161,886
6. Step 6: Final answer
   x = 373,044.02