Finding the Third Proportional to 105,130.50 and 158,790

Step by Step Solution

1. Step 1: Write the proportion equation
   105,130.50 : 158,790 = 158,790 : x
2. Step 2: Convert to fraction form
   105,130.50/158,790 = 158,790/x
3. Step 3: Cross multiply
   105,130.50x = 158,790 × 158,790
4. Step 4: Simplify right side
   105,130.50x = 25,214,264,100
5. Step 5: Solve for x
   x = 25,214,264,100/105,130.50
6. Step 6: Final answer
   x = 239,837.76