Finding the Third Proportional to 3,973,655 and 8,582,493

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973,655 : 8,582,493 = 8,582,493 : x
2. Step 2: Convert to fraction form
   3,973,655/8,582,493 = 8,582,493/x
3. Step 3: Cross multiply
   3,973,655x = 8,582,493 × 8,582,493
4. Step 4: Simplify right side
   3,973,655x = 73,659,186,095,049
5. Step 5: Solve for x
   x = 73,659,186,095,049/3,973,655
6. Step 6: Final answer
   x = 18,536,885.08