Finding the Third Proportional to 818,675,966 and 1,780,792,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   818,675,966 : 1,780,792,425.50 = 1,780,792,425.50 : x
2. Step 2: Convert to fraction form
   818,675,966/1,780,792,425.50 = 1,780,792,425.50/x
3. Step 3: Cross multiply
   818,675,966x = 1,780,792,425.50 × 1,780,792,425.50
4. Step 4: Simplify right side
   818,675,966x = 3,171,221,662,718,173,184
5. Step 5: Solve for x
   x = 3,171,221,662,718,173,184/818,675,966
6. Step 6: Final answer
   x = 3,873,598,095.49