Finding the Third Proportional to 99,542 and 154,132

Step by Step Solution

1. Step 1: Write the proportion equation
   99,542 : 154,132 = 154,132 : x
2. Step 2: Convert to fraction form
   99,542/154,132 = 154,132/x
3. Step 3: Cross multiply
   99,542x = 154,132 × 154,132
4. Step 4: Simplify right side
   99,542x = 23,756,673,424
5. Step 5: Solve for x
   x = 23,756,673,424/99,542
6. Step 6: Final answer
   x = 238,659.80