Finding the Third Proportional to 442,144 and 947,378

Step by Step Solution

1. Step 1: Write the proportion equation
   442,144 : 947,378 = 947,378 : x
2. Step 2: Convert to fraction form
   442,144/947,378 = 947,378/x
3. Step 3: Cross multiply
   442,144x = 947,378 × 947,378
4. Step 4: Simplify right side
   442,144x = 897,525,074,884
5. Step 5: Solve for x
   x = 897,525,074,884/442,144
6. Step 6: Final answer
   x = 2,029,938.38