Finding the Third Proportional to 56,342 and 123,844

Step by Step Solution

1. Step 1: Write the proportion equation
   56,342 : 123,844 = 123,844 : x
2. Step 2: Convert to fraction form
   56,342/123,844 = 123,844/x
3. Step 3: Cross multiply
   56,342x = 123,844 × 123,844
4. Step 4: Simplify right side
   56,342x = 15,337,336,336
5. Step 5: Solve for x
   x = 15,337,336,336/56,342
6. Step 6: Final answer
   x = 272,218.53