Finding the Third Proportional to 675,490 and 1,054,131

Step by Step Solution

1. Step 1: Write the proportion equation
   675,490 : 1,054,131 = 1,054,131 : x
2. Step 2: Convert to fraction form
   675,490/1,054,131 = 1,054,131/x
3. Step 3: Cross multiply
   675,490x = 1,054,131 × 1,054,131
4. Step 4: Simplify right side
   675,490x = 1,111,192,165,161
5. Step 5: Solve for x
   x = 1,111,192,165,161/675,490
6. Step 6: Final answer
   x = 1,645,016.45