Finding the Third Proportional to 101,521.69 and 148,819.78

Step by Step Solution

1. Step 1: Write the proportion equation
   101,521.69 : 148,819.78 = 148,819.78 : x
2. Step 2: Convert to fraction form
   101,521.69/148,819.78 = 148,819.78/x
3. Step 3: Cross multiply
   101,521.69x = 148,819.78 × 148,819.78
4. Step 4: Simplify right side
   101,521.69x = 22,147,327,291.30
5. Step 5: Solve for x
   x = 22,147,327,291.30/101,521.69
6. Step 6: Final answer
   x = 218,153.66