Finding the Third Proportional to 74,182 and 111,909

Step by Step Solution

1. Step 1: Write the proportion equation
   74,182 : 111,909 = 111,909 : x
2. Step 2: Convert to fraction form
   74,182/111,909 = 111,909/x
3. Step 3: Cross multiply
   74,182x = 111,909 × 111,909
4. Step 4: Simplify right side
   74,182x = 12,523,624,281
5. Step 5: Solve for x
   x = 12,523,624,281/74,182
6. Step 6: Final answer
   x = 168,822.95