Finding the Third Proportional to 623,234 and 1,364,404

Step by Step Solution

1. Step 1: Write the proportion equation
   623,234 : 1,364,404 = 1,364,404 : x
2. Step 2: Convert to fraction form
   623,234/1,364,404 = 1,364,404/x
3. Step 3: Cross multiply
   623,234x = 1,364,404 × 1,364,404
4. Step 4: Simplify right side
   623,234x = 1,861,598,275,216
5. Step 5: Solve for x
   x = 1,861,598,275,216/623,234
6. Step 6: Final answer
   x = 2,986,997.30