Finding the Third Proportional to 99,870 and 151,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,870 : 151,849.50 = 151,849.50 : x
2. Step 2: Convert to fraction form
   99,870/151,849.50 = 151,849.50/x
3. Step 3: Cross multiply
   99,870x = 151,849.50 × 151,849.50
4. Step 4: Simplify right side
   99,870x = 23,058,270,650.25
5. Step 5: Solve for x
   x = 23,058,270,650.25/99,870
6. Step 6: Final answer
   x = 230,882.85