Finding the Third Proportional to 3,621,459 and 7,830,951

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,459 : 7,830,951 = 7,830,951 : x
2. Step 2: Convert to fraction form
   3,621,459/7,830,951 = 7,830,951/x
3. Step 3: Cross multiply
   3,621,459x = 7,830,951 × 7,830,951
4. Step 4: Simplify right side
   3,621,459x = 61,323,793,564,401
5. Step 5: Solve for x
   x = 61,323,793,564,401/3,621,459
6. Step 6: Final answer
   x = 16,933,449.63