Finding the Third Proportional to 1,581,198 and 3,477,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,198 : 3,477,272 = 3,477,272 : x
2. Step 2: Convert to fraction form
   1,581,198/3,477,272 = 3,477,272/x
3. Step 3: Cross multiply
   1,581,198x = 3,477,272 × 3,477,272
4. Step 4: Simplify right side
   1,581,198x = 12,091,420,561,984
5. Step 5: Solve for x
   x = 12,091,420,561,984/1,581,198
6. Step 6: Final answer
   x = 7,646,999.66