Finding the Third Proportional to 1,397,016 and 2,977,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,016 : 2,977,200 = 2,977,200 : x
2. Step 2: Convert to fraction form
   1,397,016/2,977,200 = 2,977,200/x
3. Step 3: Cross multiply
   1,397,016x = 2,977,200 × 2,977,200
4. Step 4: Simplify right side
   1,397,016x = 8,863,719,840,000
5. Step 5: Solve for x
   x = 8,863,719,840,000/1,397,016
6. Step 6: Final answer
   x = 6,344,751.84