Finding the Third Proportional to 543,922 and 1,178,240

Step by Step Solution

1. Step 1: Write the proportion equation
   543,922 : 1,178,240 = 1,178,240 : x
2. Step 2: Convert to fraction form
   543,922/1,178,240 = 1,178,240/x
3. Step 3: Cross multiply
   543,922x = 1,178,240 × 1,178,240
4. Step 4: Simplify right side
   543,922x = 1,388,249,497,600
5. Step 5: Solve for x
   x = 1,388,249,497,600/543,922
6. Step 6: Final answer
   x = 2,552,295.18