Finding the Third Proportional to 213,322 and 493,858

Step by Step Solution

1. Step 1: Write the proportion equation
   213,322 : 493,858 = 493,858 : x
2. Step 2: Convert to fraction form
   213,322/493,858 = 493,858/x
3. Step 3: Cross multiply
   213,322x = 493,858 × 493,858
4. Step 4: Simplify right side
   213,322x = 243,895,724,164
5. Step 5: Solve for x
   x = 243,895,724,164/213,322
6. Step 6: Final answer
   x = 1,143,321.95