Finding the Third Proportional to 161,879 and 245,076

Step by Step Solution

1. Step 1: Write the proportion equation
   161,879 : 245,076 = 245,076 : x
2. Step 2: Convert to fraction form
   161,879/245,076 = 245,076/x
3. Step 3: Cross multiply
   161,879x = 245,076 × 245,076
4. Step 4: Simplify right side
   161,879x = 60,062,245,776
5. Step 5: Solve for x
   x = 60,062,245,776/161,879
6. Step 6: Final answer
   x = 371,031.73