Finding the Third Proportional to 2,130,016 and 3,217,200

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,016 : 3,217,200 = 3,217,200 : x
2. Step 2: Convert to fraction form
   2,130,016/3,217,200 = 3,217,200/x
3. Step 3: Cross multiply
   2,130,016x = 3,217,200 × 3,217,200
4. Step 4: Simplify right side
   2,130,016x = 10,350,375,840,000
5. Step 5: Solve for x
   x = 10,350,375,840,000/2,130,016
6. Step 6: Final answer
   x = 4,859,294.88