Finding the Third Proportional to 217,012.50 and 475,401

Step by Step Solution

1. Step 1: Write the proportion equation
   217,012.50 : 475,401 = 475,401 : x
2. Step 2: Convert to fraction form
   217,012.50/475,401 = 475,401/x
3. Step 3: Cross multiply
   217,012.50x = 475,401 × 475,401
4. Step 4: Simplify right side
   217,012.50x = 226,006,110,801
5. Step 5: Solve for x
   x = 226,006,110,801/217,012.50
6. Step 6: Final answer
   x = 1,041,442.82