Finding the Third Proportional to 3,670,198 and 7,871,746

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,198 : 7,871,746 = 7,871,746 : x
2. Step 2: Convert to fraction form
   3,670,198/7,871,746 = 7,871,746/x
3. Step 3: Cross multiply
   3,670,198x = 7,871,746 × 7,871,746
4. Step 4: Simplify right side
   3,670,198x = 61,964,385,088,516
5. Step 5: Solve for x
   x = 61,964,385,088,516/3,670,198
6. Step 6: Final answer
   x = 16,883,117.77