Finding the Third Proportional to 543,908 and 1,178,200

Step by Step Solution

1. Step 1: Write the proportion equation
   543,908 : 1,178,200 = 1,178,200 : x
2. Step 2: Convert to fraction form
   543,908/1,178,200 = 1,178,200/x
3. Step 3: Cross multiply
   543,908x = 1,178,200 × 1,178,200
4. Step 4: Simplify right side
   543,908x = 1,388,155,240,000
5. Step 5: Solve for x
   x = 1,388,155,240,000/543,908
6. Step 6: Final answer
   x = 2,552,187.58