Finding the Third Proportional to 105,061 and 161,480

Step by Step Solution

1. Step 1: Write the proportion equation
   105,061 : 161,480 = 161,480 : x
2. Step 2: Convert to fraction form
   105,061/161,480 = 161,480/x
3. Step 3: Cross multiply
   105,061x = 161,480 × 161,480
4. Step 4: Simplify right side
   105,061x = 26,075,790,400
5. Step 5: Solve for x
   x = 26,075,790,400/105,061
6. Step 6: Final answer
   x = 248,196.67