Finding the Third Proportional to 223,434 and 478,850

Step by Step Solution

1. Step 1: Write the proportion equation
   223,434 : 478,850 = 478,850 : x
2. Step 2: Convert to fraction form
   223,434/478,850 = 478,850/x
3. Step 3: Cross multiply
   223,434x = 478,850 × 478,850
4. Step 4: Simplify right side
   223,434x = 229,297,322,500
5. Step 5: Solve for x
   x = 229,297,322,500/223,434
6. Step 6: Final answer
   x = 1,026,241.85