Finding the Third Proportional to 474,624 and 1,039,400

Step by Step Solution

1. Step 1: Write the proportion equation
   474,624 : 1,039,400 = 1,039,400 : x
2. Step 2: Convert to fraction form
   474,624/1,039,400 = 1,039,400/x
3. Step 3: Cross multiply
   474,624x = 1,039,400 × 1,039,400
4. Step 4: Simplify right side
   474,624x = 1,080,352,360,000
5. Step 5: Solve for x
   x = 1,080,352,360,000/474,624
6. Step 6: Final answer
   x = 2,276,227.84