Finding the Third Proportional to 221,026 and 477,018

Step by Step Solution

1. Step 1: Write the proportion equation
   221,026 : 477,018 = 477,018 : x
2. Step 2: Convert to fraction form
   221,026/477,018 = 477,018/x
3. Step 3: Cross multiply
   221,026x = 477,018 × 477,018
4. Step 4: Simplify right side
   221,026x = 227,546,172,324
5. Step 5: Solve for x
   x = 227,546,172,324/221,026
6. Step 6: Final answer
   x = 1,029,499.57