Finding the Third Proportional to 277,792 and 607,856

Step by Step Solution

1. Step 1: Write the proportion equation
   277,792 : 607,856 = 607,856 : x
2. Step 2: Convert to fraction form
   277,792/607,856 = 607,856/x
3. Step 3: Cross multiply
   277,792x = 607,856 × 607,856
4. Step 4: Simplify right side
   277,792x = 369,488,916,736
5. Step 5: Solve for x
   x = 369,488,916,736/277,792
6. Step 6: Final answer
   x = 1,330,092.00