Finding the Third Proportional to 542,548 and 1,178,500

Step by Step Solution

1. Step 1: Write the proportion equation
   542,548 : 1,178,500 = 1,178,500 : x
2. Step 2: Convert to fraction form
   542,548/1,178,500 = 1,178,500/x
3. Step 3: Cross multiply
   542,548x = 1,178,500 × 1,178,500
4. Step 4: Simplify right side
   542,548x = 1,388,862,250,000
5. Step 5: Solve for x
   x = 1,388,862,250,000/542,548
6. Step 6: Final answer
   x = 2,559,888.25