Finding the Third Proportional to 1,191,872 and 2,606,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,872 : 2,606,556 = 2,606,556 : x
2. Step 2: Convert to fraction form
   1,191,872/2,606,556 = 2,606,556/x
3. Step 3: Cross multiply
   1,191,872x = 2,606,556 × 2,606,556
4. Step 4: Simplify right side
   1,191,872x = 6,794,134,181,136
5. Step 5: Solve for x
   x = 6,794,134,181,136/1,191,872
6. Step 6: Final answer
   x = 5,700,389.12