Finding the Third Proportional to 120,885 and 169,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,885 : 169,933.50 = 169,933.50 : x
2. Step 2: Convert to fraction form
   120,885/169,933.50 = 169,933.50/x
3. Step 3: Cross multiply
   120,885x = 169,933.50 × 169,933.50
4. Step 4: Simplify right side
   120,885x = 28,877,394,422.25
5. Step 5: Solve for x
   x = 28,877,394,422.25/120,885
6. Step 6: Final answer
   x = 238,883.19