Finding the Third Proportional to 111,371 and 162,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,371 : 162,021.50 = 162,021.50 : x
2. Step 2: Convert to fraction form
   111,371/162,021.50 = 162,021.50/x
3. Step 3: Cross multiply
   111,371x = 162,021.50 × 162,021.50
4. Step 4: Simplify right side
   111,371x = 26,250,966,462.25
5. Step 5: Solve for x
   x = 26,250,966,462.25/111,371
6. Step 6: Final answer
   x = 235,707.38