Finding the Third Proportional to 5,483,876 and 8,538,150

Step by Step Solution

1. Step 1: Write the proportion equation
   5,483,876 : 8,538,150 = 8,538,150 : x
2. Step 2: Convert to fraction form
   5,483,876/8,538,150 = 8,538,150/x
3. Step 3: Cross multiply
   5,483,876x = 8,538,150 × 8,538,150
4. Step 4: Simplify right side
   5,483,876x = 72,900,005,422,500
5. Step 5: Solve for x
   x = 72,900,005,422,500/5,483,876
6. Step 6: Final answer
   x = 13,293,518.20