Finding the Third Proportional to 105,992 and 148,558

Step by Step Solution

1. Step 1: Write the proportion equation
   105,992 : 148,558 = 148,558 : x
2. Step 2: Convert to fraction form
   105,992/148,558 = 148,558/x
3. Step 3: Cross multiply
   105,992x = 148,558 × 148,558
4. Step 4: Simplify right side
   105,992x = 22,069,479,364
5. Step 5: Solve for x
   x = 22,069,479,364/105,992
6. Step 6: Final answer
   x = 208,218.35