Finding the Third Proportional to 99,972 and 154,736

Step by Step Solution

1. Step 1: Write the proportion equation
   99,972 : 154,736 = 154,736 : x
2. Step 2: Convert to fraction form
   99,972/154,736 = 154,736/x
3. Step 3: Cross multiply
   99,972x = 154,736 × 154,736
4. Step 4: Simplify right side
   99,972x = 23,943,229,696
5. Step 5: Solve for x
   x = 23,943,229,696/99,972
6. Step 6: Final answer
   x = 239,499.36