Finding the Third Proportional to 83,143.50 and 188,481

Step by Step Solution

1. Step 1: Write the proportion equation
   83,143.50 : 188,481 = 188,481 : x
2. Step 2: Convert to fraction form
   83,143.50/188,481 = 188,481/x
3. Step 3: Cross multiply
   83,143.50x = 188,481 × 188,481
4. Step 4: Simplify right side
   83,143.50x = 35,525,087,361
5. Step 5: Solve for x
   x = 35,525,087,361/83,143.50
6. Step 6: Final answer
   x = 427,274.38