Finding the Third Proportional to 110,558 and 259,892

Step by Step Solution

1. Step 1: Write the proportion equation
   110,558 : 259,892 = 259,892 : x
2. Step 2: Convert to fraction form
   110,558/259,892 = 259,892/x
3. Step 3: Cross multiply
   110,558x = 259,892 × 259,892
4. Step 4: Simplify right side
   110,558x = 67,543,851,664
5. Step 5: Solve for x
   x = 67,543,851,664/110,558
6. Step 6: Final answer
   x = 610,935.90