Finding the Third Proportional to 2,171,531 and 4,771,309

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,531 : 4,771,309 = 4,771,309 : x
2. Step 2: Convert to fraction form
   2,171,531/4,771,309 = 4,771,309/x
3. Step 3: Cross multiply
   2,171,531x = 4,771,309 × 4,771,309
4. Step 4: Simplify right side
   2,171,531x = 22,765,389,573,481
5. Step 5: Solve for x
   x = 22,765,389,573,481/2,171,531
6. Step 6: Final answer
   x = 10,483,566.47