Finding the Third Proportional to 199,614 and 301,500

Step by Step Solution

1. Step 1: Write the proportion equation
   199,614 : 301,500 = 301,500 : x
2. Step 2: Convert to fraction form
   199,614/301,500 = 301,500/x
3. Step 3: Cross multiply
   199,614x = 301,500 × 301,500
4. Step 4: Simplify right side
   199,614x = 90,902,250,000
5. Step 5: Solve for x
   x = 90,902,250,000/199,614
6. Step 6: Final answer
   x = 455,390.15