Finding the Third Proportional to 1,787,765 and 3,909,748

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787,765 : 3,909,748 = 3,909,748 : x
2. Step 2: Convert to fraction form
   1,787,765/3,909,748 = 3,909,748/x
3. Step 3: Cross multiply
   1,787,765x = 3,909,748 × 3,909,748
4. Step 4: Simplify right side
   1,787,765x = 15,286,129,423,504
5. Step 5: Solve for x
   x = 15,286,129,423,504/1,787,765
6. Step 6: Final answer
   x = 8,550,413.18