Finding the Third Proportional to 584,788 and 1,281,257

Step by Step Solution

1. Step 1: Write the proportion equation
   584,788 : 1,281,257 = 1,281,257 : x
2. Step 2: Convert to fraction form
   584,788/1,281,257 = 1,281,257/x
3. Step 3: Cross multiply
   584,788x = 1,281,257 × 1,281,257
4. Step 4: Simplify right side
   584,788x = 1,641,619,500,049
5. Step 5: Solve for x
   x = 1,641,619,500,049/584,788
6. Step 6: Final answer
   x = 2,807,204.49