Finding the Third Proportional to 3,671,478 and 5,161,116

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671,478 : 5,161,116 = 5,161,116 : x
2. Step 2: Convert to fraction form
   3,671,478/5,161,116 = 5,161,116/x
3. Step 3: Cross multiply
   3,671,478x = 5,161,116 × 5,161,116
4. Step 4: Simplify right side
   3,671,478x = 26,637,118,365,456
5. Step 5: Solve for x
   x = 26,637,118,365,456/3,671,478
6. Step 6: Final answer
   x = 7,255,148.57