Finding the Third Proportional to 556,996 and 1,177,488

Step by Step Solution

1. Step 1: Write the proportion equation
   556,996 : 1,177,488 = 1,177,488 : x
2. Step 2: Convert to fraction form
   556,996/1,177,488 = 1,177,488/x
3. Step 3: Cross multiply
   556,996x = 1,177,488 × 1,177,488
4. Step 4: Simplify right side
   556,996x = 1,386,477,990,144
5. Step 5: Solve for x
   x = 1,386,477,990,144/556,996
6. Step 6: Final answer
   x = 2,489,206.37