Finding the Third Proportional to 220,900.50 and 476,550

Step by Step Solution

1. Step 1: Write the proportion equation
   220,900.50 : 476,550 = 476,550 : x
2. Step 2: Convert to fraction form
   220,900.50/476,550 = 476,550/x
3. Step 3: Cross multiply
   220,900.50x = 476,550 × 476,550
4. Step 4: Simplify right side
   220,900.50x = 227,099,902,500
5. Step 5: Solve for x
   x = 227,099,902,500/220,900.50
6. Step 6: Final answer
   x = 1,028,064.23