Finding the Third Proportional to 3,434,390 and 7,459,228

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434,390 : 7,459,228 = 7,459,228 : x
2. Step 2: Convert to fraction form
   3,434,390/7,459,228 = 7,459,228/x
3. Step 3: Cross multiply
   3,434,390x = 7,459,228 × 7,459,228
4. Step 4: Simplify right side
   3,434,390x = 55,640,082,355,984
5. Step 5: Solve for x
   x = 55,640,082,355,984/3,434,390
6. Step 6: Final answer
   x = 16,200,863.14