Finding the Third Proportional to 99,647 and 148,051

Step by Step Solution

1. Step 1: Write the proportion equation
   99,647 : 148,051 = 148,051 : x
2. Step 2: Convert to fraction form
   99,647/148,051 = 148,051/x
3. Step 3: Cross multiply
   99,647x = 148,051 × 148,051
4. Step 4: Simplify right side
   99,647x = 21,919,098,601
5. Step 5: Solve for x
   x = 21,919,098,601/99,647
6. Step 6: Final answer
   x = 219,967.47