Finding the Third Proportional to 2,391,811 and 3,676,287

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391,811 : 3,676,287 = 3,676,287 : x
2. Step 2: Convert to fraction form
   2,391,811/3,676,287 = 3,676,287/x
3. Step 3: Cross multiply
   2,391,811x = 3,676,287 × 3,676,287
4. Step 4: Simplify right side
   2,391,811x = 13,515,086,106,369
5. Step 5: Solve for x
   x = 13,515,086,106,369/2,391,811
6. Step 6: Final answer
   x = 5,650,566.08