Finding the Third Proportional to 103,216.50 and 145,353

Step by Step Solution

1. Step 1: Write the proportion equation
   103,216.50 : 145,353 = 145,353 : x
2. Step 2: Convert to fraction form
   103,216.50/145,353 = 145,353/x
3. Step 3: Cross multiply
   103,216.50x = 145,353 × 145,353
4. Step 4: Simplify right side
   103,216.50x = 21,127,494,609
5. Step 5: Solve for x
   x = 21,127,494,609/103,216.50
6. Step 6: Final answer
   x = 204,691.06