Finding the Third Proportional to 492,817 and 1,059,257

Step by Step Solution

1. Step 1: Write the proportion equation
   492,817 : 1,059,257 = 1,059,257 : x
2. Step 2: Convert to fraction form
   492,817/1,059,257 = 1,059,257/x
3. Step 3: Cross multiply
   492,817x = 1,059,257 × 1,059,257
4. Step 4: Simplify right side
   492,817x = 1,122,025,392,049
5. Step 5: Solve for x
   x = 1,122,025,392,049/492,817
6. Step 6: Final answer
   x = 2,276,758.70