Finding the Third Proportional to 123,710 and 269,884

Step by Step Solution

1. Step 1: Write the proportion equation
   123,710 : 269,884 = 269,884 : x
2. Step 2: Convert to fraction form
   123,710/269,884 = 269,884/x
3. Step 3: Cross multiply
   123,710x = 269,884 × 269,884
4. Step 4: Simplify right side
   123,710x = 72,837,373,456
5. Step 5: Solve for x
   x = 72,837,373,456/123,710
6. Step 6: Final answer
   x = 588,775.15