Finding the Third Proportional to 56,813 and 123,602

Step by Step Solution

1. Step 1: Write the proportion equation
   56,813 : 123,602 = 123,602 : x
2. Step 2: Convert to fraction form
   56,813/123,602 = 123,602/x
3. Step 3: Cross multiply
   56,813x = 123,602 × 123,602
4. Step 4: Simplify right side
   56,813x = 15,277,454,404
5. Step 5: Solve for x
   x = 15,277,454,404/56,813
6. Step 6: Final answer
   x = 268,907.72