Finding the Third Proportional to 1,645,344 and 3,668,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,344 : 3,668,784 = 3,668,784 : x
2. Step 2: Convert to fraction form
   1,645,344/3,668,784 = 3,668,784/x
3. Step 3: Cross multiply
   1,645,344x = 3,668,784 × 3,668,784
4. Step 4: Simplify right side
   1,645,344x = 13,459,976,038,656
5. Step 5: Solve for x
   x = 13,459,976,038,656/1,645,344
6. Step 6: Final answer
   x = 8,180,645.53