Finding the Third Proportional to 99,908 and 154,688

Step by Step Solution

1. Step 1: Write the proportion equation
   99,908 : 154,688 = 154,688 : x
2. Step 2: Convert to fraction form
   99,908/154,688 = 154,688/x
3. Step 3: Cross multiply
   99,908x = 154,688 × 154,688
4. Step 4: Simplify right side
   99,908x = 23,928,377,344
5. Step 5: Solve for x
   x = 23,928,377,344/99,908
6. Step 6: Final answer
   x = 239,504.12