Finding the Third Proportional to 105,112.69 and 154,320.19

Step by Step Solution

1. Step 1: Write the proportion equation
   105,112.69 : 154,320.19 = 154,320.19 : x
2. Step 2: Convert to fraction form
   105,112.69/154,320.19 = 154,320.19/x
3. Step 3: Cross multiply
   105,112.69x = 154,320.19 × 154,320.19
4. Step 4: Simplify right side
   105,112.69x = 23,814,720,270.04
5. Step 5: Solve for x
   x = 23,814,720,270.04/105,112.69
6. Step 6: Final answer
   x = 226,563.71