Finding the Third Proportional to 189,964 and 300,802

Step by Step Solution

1. Step 1: Write the proportion equation
   189,964 : 300,802 = 300,802 : x
2. Step 2: Convert to fraction form
   189,964/300,802 = 300,802/x
3. Step 3: Cross multiply
   189,964x = 300,802 × 300,802
4. Step 4: Simplify right side
   189,964x = 90,481,843,204
5. Step 5: Solve for x
   x = 90,481,843,204/189,964
6. Step 6: Final answer
   x = 476,310.48