Finding the Third Proportional to 3,973,260 and 8,581,596

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973,260 : 8,581,596 = 8,581,596 : x
2. Step 2: Convert to fraction form
   3,973,260/8,581,596 = 8,581,596/x
3. Step 3: Cross multiply
   3,973,260x = 8,581,596 × 8,581,596
4. Step 4: Simplify right side
   3,973,260x = 73,643,789,907,216
5. Step 5: Solve for x
   x = 73,643,789,907,216/3,973,260
6. Step 6: Final answer
   x = 18,534,852.97