Finding the Third Proportional to 3,860,784 and 8,320,016.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,860,784 : 8,320,016.25 = 8,320,016.25 : x
2. Step 2: Convert to fraction form
   3,860,784/8,320,016.25 = 8,320,016.25/x
3. Step 3: Cross multiply
   3,860,784x = 8,320,016.25 × 8,320,016.25
4. Step 4: Simplify right side
   3,860,784x = 69,222,670,400,264.06
5. Step 5: Solve for x
   x = 69,222,670,400,264.06/3,860,784
6. Step 6: Final answer
   x = 17,929,692.62