Finding the Third Proportional to 172,030 and 367,388

Step by Step Solution

1. Step 1: Write the proportion equation
   172,030 : 367,388 = 367,388 : x
2. Step 2: Convert to fraction form
   172,030/367,388 = 367,388/x
3. Step 3: Cross multiply
   172,030x = 367,388 × 367,388
4. Step 4: Simplify right side
   172,030x = 134,973,942,544
5. Step 5: Solve for x
   x = 134,973,942,544/172,030
6. Step 6: Final answer
   x = 784,595.38