Finding the Third Proportional to 542,313 and 1,181,142

Step by Step Solution

1. Step 1: Write the proportion equation
   542,313 : 1,181,142 = 1,181,142 : x
2. Step 2: Convert to fraction form
   542,313/1,181,142 = 1,181,142/x
3. Step 3: Cross multiply
   542,313x = 1,181,142 × 1,181,142
4. Step 4: Simplify right side
   542,313x = 1,395,096,424,164
5. Step 5: Solve for x
   x = 1,395,096,424,164/542,313
6. Step 6: Final answer
   x = 2,572,493.05