Finding the Third Proportional to 1,645,326 and 3,668,751

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,326 : 3,668,751 = 3,668,751 : x
2. Step 2: Convert to fraction form
   1,645,326/3,668,751 = 3,668,751/x
3. Step 3: Cross multiply
   1,645,326x = 3,668,751 × 3,668,751
4. Step 4: Simplify right side
   1,645,326x = 13,459,733,900,001
5. Step 5: Solve for x
   x = 13,459,733,900,001/1,645,326
6. Step 6: Final answer
   x = 8,180,587.86