Finding the Third Proportional to 56,329.25 and 120,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,329.25 : 120,654.50 = 120,654.50 : x
2. Step 2: Convert to fraction form
   56,329.25/120,654.50 = 120,654.50/x
3. Step 3: Cross multiply
   56,329.25x = 120,654.50 × 120,654.50
4. Step 4: Simplify right side
   56,329.25x = 14,557,508,370.25
5. Step 5: Solve for x
   x = 14,557,508,370.25/56,329.25
6. Step 6: Final answer
   x = 258,436.04