Finding the Third Proportional to 105,039 and 153,045

Step by Step Solution

1. Step 1: Write the proportion equation
   105,039 : 153,045 = 153,045 : x
2. Step 2: Convert to fraction form
   105,039/153,045 = 153,045/x
3. Step 3: Cross multiply
   105,039x = 153,045 × 153,045
4. Step 4: Simplify right side
   105,039x = 23,422,772,025
5. Step 5: Solve for x
   x = 23,422,772,025/105,039
6. Step 6: Final answer
   x = 222,991.19