Finding the Third Proportional to 2,611,185 and 3,991,803

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611,185 : 3,991,803 = 3,991,803 : x
2. Step 2: Convert to fraction form
   2,611,185/3,991,803 = 3,991,803/x
3. Step 3: Cross multiply
   2,611,185x = 3,991,803 × 3,991,803
4. Step 4: Simplify right side
   2,611,185x = 15,934,491,190,809
5. Step 5: Solve for x
   x = 15,934,491,190,809/2,611,185
6. Step 6: Final answer
   x = 6,102,398.41