Finding the Third Proportional to 221,436 and 475,130

Step by Step Solution

1. Step 1: Write the proportion equation
   221,436 : 475,130 = 475,130 : x
2. Step 2: Convert to fraction form
   221,436/475,130 = 475,130/x
3. Step 3: Cross multiply
   221,436x = 475,130 × 475,130
4. Step 4: Simplify right side
   221,436x = 225,748,516,900
5. Step 5: Solve for x
   x = 225,748,516,900/221,436
6. Step 6: Final answer
   x = 1,019,475.23