Finding the Third Proportional to 63,490.50 and 100,449

Step by Step Solution

1. Step 1: Write the proportion equation
   63,490.50 : 100,449 = 100,449 : x
2. Step 2: Convert to fraction form
   63,490.50/100,449 = 100,449/x
3. Step 3: Cross multiply
   63,490.50x = 100,449 × 100,449
4. Step 4: Simplify right side
   63,490.50x = 10,090,001,601
5. Step 5: Solve for x
   x = 10,090,001,601/63,490.50
6. Step 6: Final answer
   x = 158,921.44