Finding the Third Proportional to 1,561,992 and 3,410,400

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561,992 : 3,410,400 = 3,410,400 : x
2. Step 2: Convert to fraction form
   1,561,992/3,410,400 = 3,410,400/x
3. Step 3: Cross multiply
   1,561,992x = 3,410,400 × 3,410,400
4. Step 4: Simplify right side
   1,561,992x = 11,630,828,160,000
5. Step 5: Solve for x
   x = 11,630,828,160,000/1,561,992
6. Step 6: Final answer
   x = 7,446,150.91