Finding the Third Proportional to 492,855 and 1,059,321

Step by Step Solution

1. Step 1: Write the proportion equation
   492,855 : 1,059,321 = 1,059,321 : x
2. Step 2: Convert to fraction form
   492,855/1,059,321 = 1,059,321/x
3. Step 3: Cross multiply
   492,855x = 1,059,321 × 1,059,321
4. Step 4: Simplify right side
   492,855x = 1,122,160,981,041
5. Step 5: Solve for x
   x = 1,122,160,981,041/492,855
6. Step 6: Final answer
   x = 2,276,858.27