Finding the Third Proportional to 194,721 and 300,679.50

Step by Step Solution

1. Step 1: Write the proportion equation
   194,721 : 300,679.50 = 300,679.50 : x
2. Step 2: Convert to fraction form
   194,721/300,679.50 = 300,679.50/x
3. Step 3: Cross multiply
   194,721x = 300,679.50 × 300,679.50
4. Step 4: Simplify right side
   194,721x = 90,408,161,720.25
5. Step 5: Solve for x
   x = 90,408,161,720.25/194,721
6. Step 6: Final answer
   x = 464,295.90