Finding the Third Proportional to 1,055,190 and 1,636,326

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,190 : 1,636,326 = 1,636,326 : x
2. Step 2: Convert to fraction form
   1,055,190/1,636,326 = 1,636,326/x
3. Step 3: Cross multiply
   1,055,190x = 1,636,326 × 1,636,326
4. Step 4: Simplify right side
   1,055,190x = 2,677,562,778,276
5. Step 5: Solve for x
   x = 2,677,562,778,276/1,055,190
6. Step 6: Final answer
   x = 2,537,517.20