Finding the Third Proportional to 1,621,019,307 and 3,822,813,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621,019,307 : 3,822,813,907.50 = 3,822,813,907.50 : x
2. Step 2: Convert to fraction form
   1,621,019,307/3,822,813,907.50 = 3,822,813,907.50/x
3. Step 3: Cross multiply
   1,621,019,307x = 3,822,813,907.50 × 3,822,813,907.50
4. Step 4: Simplify right side
   1,621,019,307x = 14,613,906,171,375,419,392
5. Step 5: Solve for x
   x = 14,613,906,171,375,419,392/1,621,019,307
6. Step 6: Final answer
   x = 9,015,257,318.82