Finding the Third Proportional to 1,353,040 and 2,910,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353,040 : 2,910,200 = 2,910,200 : x
2. Step 2: Convert to fraction form
   1,353,040/2,910,200 = 2,910,200/x
3. Step 3: Cross multiply
   1,353,040x = 2,910,200 × 2,910,200
4. Step 4: Simplify right side
   1,353,040x = 8,469,264,040,000
5. Step 5: Solve for x
   x = 8,469,264,040,000/1,353,040
6. Step 6: Final answer
   x = 6,259,433.60