Finding the Third Proportional to 423,648 and 882,144

Step by Step Solution

1. Step 1: Write the proportion equation
   423,648 : 882,144 = 882,144 : x
2. Step 2: Convert to fraction form
   423,648/882,144 = 882,144/x
3. Step 3: Cross multiply
   423,648x = 882,144 × 882,144
4. Step 4: Simplify right side
   423,648x = 778,178,036,736
5. Step 5: Solve for x
   x = 778,178,036,736/423,648
6. Step 6: Final answer
   x = 1,836,850.49