Finding the Third Proportional to 67,783.50 and 147,636

Step by Step Solution

1. Step 1: Write the proportion equation
   67,783.50 : 147,636 = 147,636 : x
2. Step 2: Convert to fraction form
   67,783.50/147,636 = 147,636/x
3. Step 3: Cross multiply
   67,783.50x = 147,636 × 147,636
4. Step 4: Simplify right side
   67,783.50x = 21,796,388,496
5. Step 5: Solve for x
   x = 21,796,388,496/67,783.50
6. Step 6: Final answer
   x = 321,558.91