Finding the Third Proportional to 56,141.25 and 120,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,141.25 : 120,061.50 = 120,061.50 : x
2. Step 2: Convert to fraction form
   56,141.25/120,061.50 = 120,061.50/x
3. Step 3: Cross multiply
   56,141.25x = 120,061.50 × 120,061.50
4. Step 4: Simplify right side
   56,141.25x = 14,414,763,782.25
5. Step 5: Solve for x
   x = 14,414,763,782.25/56,141.25
6. Step 6: Final answer
   x = 256,758.87