Finding the Third Proportional to 72,835 and 109,921

Step by Step Solution

1. Step 1: Write the proportion equation
   72,835 : 109,921 = 109,921 : x
2. Step 2: Convert to fraction form
   72,835/109,921 = 109,921/x
3. Step 3: Cross multiply
   72,835x = 109,921 × 109,921
4. Step 4: Simplify right side
   72,835x = 12,082,626,241
5. Step 5: Solve for x
   x = 12,082,626,241/72,835
6. Step 6: Final answer
   x = 165,890.39