Finding the Third Proportional to 635,666 and 1,392,724

Step by Step Solution

1. Step 1: Write the proportion equation
   635,666 : 1,392,724 = 1,392,724 : x
2. Step 2: Convert to fraction form
   635,666/1,392,724 = 1,392,724/x
3. Step 3: Cross multiply
   635,666x = 1,392,724 × 1,392,724
4. Step 4: Simplify right side
   635,666x = 1,939,680,140,176
5. Step 5: Solve for x
   x = 1,939,680,140,176/635,666
6. Step 6: Final answer
   x = 3,051,414.01