Finding the Third Proportional to 56,535 and 123,330

Step by Step Solution

1. Step 1: Write the proportion equation
   56,535 : 123,330 = 123,330 : x
2. Step 2: Convert to fraction form
   56,535/123,330 = 123,330/x
3. Step 3: Cross multiply
   56,535x = 123,330 × 123,330
4. Step 4: Simplify right side
   56,535x = 15,210,288,900
5. Step 5: Solve for x
   x = 15,210,288,900/56,535
6. Step 6: Final answer
   x = 269,041.99