Finding the Third Proportional to 223,110 and 435,008

Step by Step Solution

1. Step 1: Write the proportion equation
   223,110 : 435,008 = 435,008 : x
2. Step 2: Convert to fraction form
   223,110/435,008 = 435,008/x
3. Step 3: Cross multiply
   223,110x = 435,008 × 435,008
4. Step 4: Simplify right side
   223,110x = 189,231,960,064
5. Step 5: Solve for x
   x = 189,231,960,064/223,110
6. Step 6: Final answer
   x = 848,155.44