Finding the Third Proportional to 2,171,538 and 4,771,322

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,538 : 4,771,322 = 4,771,322 : x
2. Step 2: Convert to fraction form
   2,171,538/4,771,322 = 4,771,322/x
3. Step 3: Cross multiply
   2,171,538x = 4,771,322 × 4,771,322
4. Step 4: Simplify right side
   2,171,538x = 22,765,513,627,684
5. Step 5: Solve for x
   x = 22,765,513,627,684/2,171,538
6. Step 6: Final answer
   x = 10,483,589.80