Finding the Third Proportional to 542,426 and 1,181,287

Step by Step Solution

1. Step 1: Write the proportion equation
   542,426 : 1,181,287 = 1,181,287 : x
2. Step 2: Convert to fraction form
   542,426/1,181,287 = 1,181,287/x
3. Step 3: Cross multiply
   542,426x = 1,181,287 × 1,181,287
4. Step 4: Simplify right side
   542,426x = 1,395,438,976,369
5. Step 5: Solve for x
   x = 1,395,438,976,369/542,426
6. Step 6: Final answer
   x = 2,572,588.66