Finding the Third Proportional to 68,143.50 and 103,446

Step by Step Solution

1. Step 1: Write the proportion equation
   68,143.50 : 103,446 = 103,446 : x
2. Step 2: Convert to fraction form
   68,143.50/103,446 = 103,446/x
3. Step 3: Cross multiply
   68,143.50x = 103,446 × 103,446
4. Step 4: Simplify right side
   68,143.50x = 10,701,074,916
5. Step 5: Solve for x
   x = 10,701,074,916/68,143.50
6. Step 6: Final answer
   x = 157,037.35