Finding the Third Proportional to 79,497 and 111,421.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,497 : 111,421.50 = 111,421.50 : x
2. Step 2: Convert to fraction form
   79,497/111,421.50 = 111,421.50/x
3. Step 3: Cross multiply
   79,497x = 111,421.50 × 111,421.50
4. Step 4: Simplify right side
   79,497x = 12,414,750,662.25
5. Step 5: Solve for x
   x = 12,414,750,662.25/79,497
6. Step 6: Final answer
   x = 156,166.28