Finding the Third Proportional to 99,708 and 147,996

Step by Step Solution

1. Step 1: Write the proportion equation
   99,708 : 147,996 = 147,996 : x
2. Step 2: Convert to fraction form
   99,708/147,996 = 147,996/x
3. Step 3: Cross multiply
   99,708x = 147,996 × 147,996
4. Step 4: Simplify right side
   99,708x = 21,902,816,016
5. Step 5: Solve for x
   x = 21,902,816,016/99,708
6. Step 6: Final answer
   x = 219,669.60