Finding the Third Proportional to 543,907 and 1,178,210

Step by Step Solution

1. Step 1: Write the proportion equation
   543,907 : 1,178,210 = 1,178,210 : x
2. Step 2: Convert to fraction form
   543,907/1,178,210 = 1,178,210/x
3. Step 3: Cross multiply
   543,907x = 1,178,210 × 1,178,210
4. Step 4: Simplify right side
   543,907x = 1,388,178,804,100
5. Step 5: Solve for x
   x = 1,388,178,804,100/543,907
6. Step 6: Final answer
   x = 2,552,235.59