Finding the Third Proportional to 161,869 and 245,061

Step by Step Solution

1. Step 1: Write the proportion equation
   161,869 : 245,061 = 245,061 : x
2. Step 2: Convert to fraction form
   161,869/245,061 = 245,061/x
3. Step 3: Cross multiply
   161,869x = 245,061 × 245,061
4. Step 4: Simplify right side
   161,869x = 60,054,893,721
5. Step 5: Solve for x
   x = 60,054,893,721/161,869
6. Step 6: Final answer
   x = 371,009.23