Finding the Third Proportional to 542,541.50 and 1,178,488

Step by Step Solution

1. Step 1: Write the proportion equation
   542,541.50 : 1,178,488 = 1,178,488 : x
2. Step 2: Convert to fraction form
   542,541.50/1,178,488 = 1,178,488/x
3. Step 3: Cross multiply
   542,541.50x = 1,178,488 × 1,178,488
4. Step 4: Simplify right side
   542,541.50x = 1,388,833,966,144
5. Step 5: Solve for x
   x = 1,388,833,966,144/542,541.50
6. Step 6: Final answer
   x = 2,559,866.79