Finding the Third Proportional to 150,979.50 and 207,654

Step by Step Solution

1. Step 1: Write the proportion equation
   150,979.50 : 207,654 = 207,654 : x
2. Step 2: Convert to fraction form
   150,979.50/207,654 = 207,654/x
3. Step 3: Cross multiply
   150,979.50x = 207,654 × 207,654
4. Step 4: Simplify right side
   150,979.50x = 43,120,183,716
5. Step 5: Solve for x
   x = 43,120,183,716/150,979.50
6. Step 6: Final answer
   x = 285,602.90