Finding the Third Proportional to 56,554 and 123,368

Step by Step Solution

1. Step 1: Write the proportion equation
   56,554 : 123,368 = 123,368 : x
2. Step 2: Convert to fraction form
   56,554/123,368 = 123,368/x
3. Step 3: Cross multiply
   56,554x = 123,368 × 123,368
4. Step 4: Simplify right side
   56,554x = 15,219,663,424
5. Step 5: Solve for x
   x = 15,219,663,424/56,554
6. Step 6: Final answer
   x = 269,117.36