Finding the Third Proportional to 3,670,189 and 7,871,725

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,189 : 7,871,725 = 7,871,725 : x
2. Step 2: Convert to fraction form
   3,670,189/7,871,725 = 7,871,725/x
3. Step 3: Cross multiply
   3,670,189x = 7,871,725 × 7,871,725
4. Step 4: Simplify right side
   3,670,189x = 61,964,054,475,625
5. Step 5: Solve for x
   x = 61,964,054,475,625/3,670,189
6. Step 6: Final answer
   x = 16,883,069.09