Finding the Third Proportional to 143,495 and 223,443

Step by Step Solution

1. Step 1: Write the proportion equation
   143,495 : 223,443 = 223,443 : x
2. Step 2: Convert to fraction form
   143,495/223,443 = 223,443/x
3. Step 3: Cross multiply
   143,495x = 223,443 × 223,443
4. Step 4: Simplify right side
   143,495x = 49,926,774,249
5. Step 5: Solve for x
   x = 49,926,774,249/143,495
6. Step 6: Final answer
   x = 347,933.89