Finding the Third Proportional to 542,385 and 1,179,906

Step by Step Solution

1. Step 1: Write the proportion equation
   542,385 : 1,179,906 = 1,179,906 : x
2. Step 2: Convert to fraction form
   542,385/1,179,906 = 1,179,906/x
3. Step 3: Cross multiply
   542,385x = 1,179,906 × 1,179,906
4. Step 4: Simplify right side
   542,385x = 1,392,178,168,836
5. Step 5: Solve for x
   x = 1,392,178,168,836/542,385
6. Step 6: Final answer
   x = 2,566,771.15