Finding the Third Proportional to 199,800 and 296,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,800 : 296,662.50 = 296,662.50 : x
2. Step 2: Convert to fraction form
   199,800/296,662.50 = 296,662.50/x
3. Step 3: Cross multiply
   199,800x = 296,662.50 × 296,662.50
4. Step 4: Simplify right side
   199,800x = 88,008,638,906.25
5. Step 5: Solve for x
   x = 88,008,638,906.25/199,800
6. Step 6: Final answer
   x = 440,483.68