Finding the Third Proportional to 542,632 and 1,178,680

Step by Step Solution

1. Step 1: Write the proportion equation
   542,632 : 1,178,680 = 1,178,680 : x
2. Step 2: Convert to fraction form
   542,632/1,178,680 = 1,178,680/x
3. Step 3: Cross multiply
   542,632x = 1,178,680 × 1,178,680
4. Step 4: Simplify right side
   542,632x = 1,389,286,542,400
5. Step 5: Solve for x
   x = 1,389,286,542,400/542,632
6. Step 6: Final answer
   x = 2,560,273.89