Finding the Third Proportional to 213,145 and 307,932

Step by Step Solution

1. Step 1: Write the proportion equation
   213,145 : 307,932 = 307,932 : x
2. Step 2: Convert to fraction form
   213,145/307,932 = 307,932/x
3. Step 3: Cross multiply
   213,145x = 307,932 × 307,932
4. Step 4: Simplify right side
   213,145x = 94,822,116,624
5. Step 5: Solve for x
   x = 94,822,116,624/213,145
6. Step 6: Final answer
   x = 444,871.41