Finding the Third Proportional to 1,157,985 and 2,551,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,985 : 2,551,556 = 2,551,556 : x
2. Step 2: Convert to fraction form
   1,157,985/2,551,556 = 2,551,556/x
3. Step 3: Cross multiply
   1,157,985x = 2,551,556 × 2,551,556
4. Step 4: Simplify right side
   1,157,985x = 6,510,438,021,136
5. Step 5: Solve for x
   x = 6,510,438,021,136/1,157,985
6. Step 6: Final answer
   x = 5,622,212.74