Finding the Third Proportional to 56,758.50 and 120,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,758.50 : 120,435.50 = 120,435.50 : x
2. Step 2: Convert to fraction form
   56,758.50/120,435.50 = 120,435.50/x
3. Step 3: Cross multiply
   56,758.50x = 120,435.50 × 120,435.50
4. Step 4: Simplify right side
   56,758.50x = 14,504,709,660.25
5. Step 5: Solve for x
   x = 14,504,709,660.25/56,758.50
6. Step 6: Final answer
   x = 255,551.32