Finding the Third Proportional to 56,269.69 and 120,315.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,269.69 : 120,315.38 = 120,315.38 : x
2. Step 2: Convert to fraction form
   56,269.69/120,315.38 = 120,315.38/x
3. Step 3: Cross multiply
   56,269.69x = 120,315.38 × 120,315.38
4. Step 4: Simplify right side
   56,269.69x = 14,475,789,461.39
5. Step 5: Solve for x
   x = 14,475,789,461.39/56,269.69
6. Step 6: Final answer
   x = 257,257.33