Finding the Third Proportional to 3,647,283 and 8,443,518

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,283 : 8,443,518 = 8,443,518 : x
2. Step 2: Convert to fraction form
   3,647,283/8,443,518 = 8,443,518/x
3. Step 3: Cross multiply
   3,647,283x = 8,443,518 × 8,443,518
4. Step 4: Simplify right side
   3,647,283x = 71,292,996,216,324
5. Step 5: Solve for x
   x = 71,292,996,216,324/3,647,283
6. Step 6: Final answer
   x = 19,546,878.11