Finding the Third Proportional to 56,622.94 and 123,209.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,622.94 : 123,209.72 = 123,209.72 : x
2. Step 2: Convert to fraction form
   56,622.94/123,209.72 = 123,209.72/x
3. Step 3: Cross multiply
   56,622.94x = 123,209.72 × 123,209.72
4. Step 4: Simplify right side
   56,622.94x = 15,180,634,794.45
5. Step 5: Solve for x
   x = 15,180,634,794.45/56,622.94
6. Step 6: Final answer
   x = 268,100.45