Finding the Third Proportional to 199,290 and 296,096.25

Step by Step Solution

1. Step 1: Write the proportion equation
   199,290 : 296,096.25 = 296,096.25 : x
2. Step 2: Convert to fraction form
   199,290/296,096.25 = 296,096.25/x
3. Step 3: Cross multiply
   199,290x = 296,096.25 × 296,096.25
4. Step 4: Simplify right side
   199,290x = 87,672,989,264.06
5. Step 5: Solve for x
   x = 87,672,989,264.06/199,290
6. Step 6: Final answer
   x = 439,926.69