Finding the Third Proportional to 302,046 and 423,401

Step by Step Solution

1. Step 1: Write the proportion equation
   302,046 : 423,401 = 423,401 : x
2. Step 2: Convert to fraction form
   302,046/423,401 = 423,401/x
3. Step 3: Cross multiply
   302,046x = 423,401 × 423,401
4. Step 4: Simplify right side
   302,046x = 179,268,406,801
5. Step 5: Solve for x
   x = 179,268,406,801/302,046
6. Step 6: Final answer
   x = 593,513.59