Finding the Third Proportional to 543,510 and 1,278,846

Step by Step Solution

1. Step 1: Write the proportion equation
   543,510 : 1,278,846 = 1,278,846 : x
2. Step 2: Convert to fraction form
   543,510/1,278,846 = 1,278,846/x
3. Step 3: Cross multiply
   543,510x = 1,278,846 × 1,278,846
4. Step 4: Simplify right side
   543,510x = 1,635,447,091,716
5. Step 5: Solve for x
   x = 1,635,447,091,716/543,510
6. Step 6: Final answer
   x = 3,009,046.92