Finding the Third Proportional to 472,992 and 1,007,328

Step by Step Solution

1. Step 1: Write the proportion equation
   472,992 : 1,007,328 = 1,007,328 : x
2. Step 2: Convert to fraction form
   472,992/1,007,328 = 1,007,328/x
3. Step 3: Cross multiply
   472,992x = 1,007,328 × 1,007,328
4. Step 4: Simplify right side
   472,992x = 1,014,709,699,584
5. Step 5: Solve for x
   x = 1,014,709,699,584/472,992
6. Step 6: Final answer
   x = 2,145,299.92