Finding the Third Proportional to 103,699 and 158,825

Step by Step Solution

1. Step 1: Write the proportion equation
   103,699 : 158,825 = 158,825 : x
2. Step 2: Convert to fraction form
   103,699/158,825 = 158,825/x
3. Step 3: Cross multiply
   103,699x = 158,825 × 158,825
4. Step 4: Simplify right side
   103,699x = 25,225,380,625
5. Step 5: Solve for x
   x = 25,225,380,625/103,699
6. Step 6: Final answer
   x = 243,255.78