Finding the Third Proportional to 542,545 and 1,178,494

Step by Step Solution

1. Step 1: Write the proportion equation
   542,545 : 1,178,494 = 1,178,494 : x
2. Step 2: Convert to fraction form
   542,545/1,178,494 = 1,178,494/x
3. Step 3: Cross multiply
   542,545x = 1,178,494 × 1,178,494
4. Step 4: Simplify right side
   542,545x = 1,388,848,108,036
5. Step 5: Solve for x
   x = 1,388,848,108,036/542,545
6. Step 6: Final answer
   x = 2,559,876.34