Finding the Third Proportional to 56,445 and 123,383

Step by Step Solution

1. Step 1: Write the proportion equation
   56,445 : 123,383 = 123,383 : x
2. Step 2: Convert to fraction form
   56,445/123,383 = 123,383/x
3. Step 3: Cross multiply
   56,445x = 123,383 × 123,383
4. Step 4: Simplify right side
   56,445x = 15,223,364,689
5. Step 5: Solve for x
   x = 15,223,364,689/56,445
6. Step 6: Final answer
   x = 269,702.63