Finding the Third Proportional to 3,670,206 and 7,871,762

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,206 : 7,871,762 = 7,871,762 : x
2. Step 2: Convert to fraction form
   3,670,206/7,871,762 = 7,871,762/x
3. Step 3: Cross multiply
   3,670,206x = 7,871,762 × 7,871,762
4. Step 4: Simplify right side
   3,670,206x = 61,964,636,984,644
5. Step 5: Solve for x
   x = 61,964,636,984,644/3,670,206
6. Step 6: Final answer
   x = 16,883,149.61