Finding the Third Proportional to 105,426 and 163,066

Step by Step Solution

1. Step 1: Write the proportion equation
   105,426 : 163,066 = 163,066 : x
2. Step 2: Convert to fraction form
   105,426/163,066 = 163,066/x
3. Step 3: Cross multiply
   105,426x = 163,066 × 163,066
4. Step 4: Simplify right side
   105,426x = 26,590,520,356
5. Step 5: Solve for x
   x = 26,590,520,356/105,426
6. Step 6: Final answer
   x = 252,219.76