Finding the Third Proportional to 2,270,390 and 3,515,745

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270,390 : 3,515,745 = 3,515,745 : x
2. Step 2: Convert to fraction form
   2,270,390/3,515,745 = 3,515,745/x
3. Step 3: Cross multiply
   2,270,390x = 3,515,745 × 3,515,745
4. Step 4: Simplify right side
   2,270,390x = 12,360,462,905,025
5. Step 5: Solve for x
   x = 12,360,462,905,025/2,270,390
6. Step 6: Final answer
   x = 5,444,202.50