Finding the Third Proportional to 300,910 and 476,025

Step by Step Solution

1. Step 1: Write the proportion equation
   300,910 : 476,025 = 476,025 : x
2. Step 2: Convert to fraction form
   300,910/476,025 = 476,025/x
3. Step 3: Cross multiply
   300,910x = 476,025 × 476,025
4. Step 4: Simplify right side
   300,910x = 226,599,800,625
5. Step 5: Solve for x
   x = 226,599,800,625/300,910
6. Step 6: Final answer
   x = 753,048.42