Finding the Third Proportional to 56,682.28 and 123,570.56

Step by Step Solution

1. Step 1: Write the proportion equation
   56,682.28 : 123,570.56 = 123,570.56 : x
2. Step 2: Convert to fraction form
   56,682.28/123,570.56 = 123,570.56/x
3. Step 3: Cross multiply
   56,682.28x = 123,570.56 × 123,570.56
4. Step 4: Simplify right side
   56,682.28x = 15,269,683,916.57
5. Step 5: Solve for x
   x = 15,269,683,916.57/56,682.28
6. Step 6: Final answer
   x = 269,390.78