Finding the Third Proportional to 56,759 and 123,343

Step by Step Solution

1. Step 1: Write the proportion equation
   56,759 : 123,343 = 123,343 : x
2. Step 2: Convert to fraction form
   56,759/123,343 = 123,343/x
3. Step 3: Cross multiply
   56,759x = 123,343 × 123,343
4. Step 4: Simplify right side
   56,759x = 15,213,495,649
5. Step 5: Solve for x
   x = 15,213,495,649/56,759
6. Step 6: Final answer
   x = 268,036.71