Finding the Third Proportional to 2,171,464 and 4,771,215

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,464 : 4,771,215 = 4,771,215 : x
2. Step 2: Convert to fraction form
   2,171,464/4,771,215 = 4,771,215/x
3. Step 3: Cross multiply
   2,171,464x = 4,771,215 × 4,771,215
4. Step 4: Simplify right side
   2,171,464x = 22,764,492,576,225
5. Step 5: Solve for x
   x = 22,764,492,576,225/2,171,464
6. Step 6: Final answer
   x = 10,483,476.85