Finding the Third Proportional to 99,936 and 148,390

Step by Step Solution

1. Step 1: Write the proportion equation
   99,936 : 148,390 = 148,390 : x
2. Step 2: Convert to fraction form
   99,936/148,390 = 148,390/x
3. Step 3: Cross multiply
   99,936x = 148,390 × 148,390
4. Step 4: Simplify right side
   99,936x = 22,019,592,100
5. Step 5: Solve for x
   x = 22,019,592,100/99,936
6. Step 6: Final answer
   x = 220,336.94