Finding the Third Proportional to 2,611,187 and 3,991,806

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611,187 : 3,991,806 = 3,991,806 : x
2. Step 2: Convert to fraction form
   2,611,187/3,991,806 = 3,991,806/x
3. Step 3: Cross multiply
   2,611,187x = 3,991,806 × 3,991,806
4. Step 4: Simplify right side
   2,611,187x = 15,934,515,141,636
5. Step 5: Solve for x
   x = 15,934,515,141,636/2,611,187
6. Step 6: Final answer
   x = 6,102,402.91