Finding the Third Proportional to 105,445 and 161,300

Step by Step Solution

1. Step 1: Write the proportion equation
   105,445 : 161,300 = 161,300 : x
2. Step 2: Convert to fraction form
   105,445/161,300 = 161,300/x
3. Step 3: Cross multiply
   105,445x = 161,300 × 161,300
4. Step 4: Simplify right side
   105,445x = 26,017,690,000
5. Step 5: Solve for x
   x = 26,017,690,000/105,445
6. Step 6: Final answer
   x = 246,741.81