Finding the Third Proportional to 367,412 and 520,030

Step by Step Solution

1. Step 1: Write the proportion equation
   367,412 : 520,030 = 520,030 : x
2. Step 2: Convert to fraction form
   367,412/520,030 = 520,030/x
3. Step 3: Cross multiply
   367,412x = 520,030 × 520,030
4. Step 4: Simplify right side
   367,412x = 270,431,200,900
5. Step 5: Solve for x
   x = 270,431,200,900/367,412
6. Step 6: Final answer
   x = 736,043.46