Finding the Third Proportional to 99,656 and 148,065

Step by Step Solution

1. Step 1: Write the proportion equation
   99,656 : 148,065 = 148,065 : x
2. Step 2: Convert to fraction form
   99,656/148,065 = 148,065/x
3. Step 3: Cross multiply
   99,656x = 148,065 × 148,065
4. Step 4: Simplify right side
   99,656x = 21,923,244,225
5. Step 5: Solve for x
   x = 21,923,244,225/99,656
6. Step 6: Final answer
   x = 219,989.21