Finding the Third Proportional to 3,451,576 and 5,402,706

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,576 : 5,402,706 = 5,402,706 : x
2. Step 2: Convert to fraction form
   3,451,576/5,402,706 = 5,402,706/x
3. Step 3: Cross multiply
   3,451,576x = 5,402,706 × 5,402,706
4. Step 4: Simplify right side
   3,451,576x = 29,189,232,122,436
5. Step 5: Solve for x
   x = 29,189,232,122,436/3,451,576
6. Step 6: Final answer
   x = 8,456,783.84