Finding the Third Proportional to 588,820 and 1,277,216

Step by Step Solution

1. Step 1: Write the proportion equation
   588,820 : 1,277,216 = 1,277,216 : x
2. Step 2: Convert to fraction form
   588,820/1,277,216 = 1,277,216/x
3. Step 3: Cross multiply
   588,820x = 1,277,216 × 1,277,216
4. Step 4: Simplify right side
   588,820x = 1,631,280,710,656
5. Step 5: Solve for x
   x = 1,631,280,710,656/588,820
6. Step 6: Final answer
   x = 2,770,423.41