Finding the Third Proportional to 56,711 and 123,784

Step by Step Solution

1. Step 1: Write the proportion equation
   56,711 : 123,784 = 123,784 : x
2. Step 2: Convert to fraction form
   56,711/123,784 = 123,784/x
3. Step 3: Cross multiply
   56,711x = 123,784 × 123,784
4. Step 4: Simplify right side
   56,711x = 15,322,478,656
5. Step 5: Solve for x
   x = 15,322,478,656/56,711
6. Step 6: Final answer
   x = 270,185.30