Finding the Third Proportional to 221,322 and 480,174

Step by Step Solution

1. Step 1: Write the proportion equation
   221,322 : 480,174 = 480,174 : x
2. Step 2: Convert to fraction form
   221,322/480,174 = 480,174/x
3. Step 3: Cross multiply
   221,322x = 480,174 × 480,174
4. Step 4: Simplify right side
   221,322x = 230,567,070,276
5. Step 5: Solve for x
   x = 230,567,070,276/221,322
6. Step 6: Final answer
   x = 1,041,772.03