Finding the Third Proportional to 542,172 and 1,187,736

Step by Step Solution

1. Step 1: Write the proportion equation
   542,172 : 1,187,736 = 1,187,736 : x
2. Step 2: Convert to fraction form
   542,172/1,187,736 = 1,187,736/x
3. Step 3: Cross multiply
   542,172x = 1,187,736 × 1,187,736
4. Step 4: Simplify right side
   542,172x = 1,410,716,805,696
5. Step 5: Solve for x
   x = 1,410,716,805,696/542,172
6. Step 6: Final answer
   x = 2,601,972.82