Finding the Third Proportional to 296,676 and 439,463.25

Step by Step Solution

1. Step 1: Write the proportion equation
   296,676 : 439,463.25 = 439,463.25 : x
2. Step 2: Convert to fraction form
   296,676/439,463.25 = 439,463.25/x
3. Step 3: Cross multiply
   296,676x = 439,463.25 × 439,463.25
4. Step 4: Simplify right side
   296,676x = 193,127,948,100.56
5. Step 5: Solve for x
   x = 193,127,948,100.56/296,676
6. Step 6: Final answer
   x = 650,972.60