Finding the Third Proportional to 2,581,716.50 and 5,611,201

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,716.50 : 5,611,201 = 5,611,201 : x
2. Step 2: Convert to fraction form
   2,581,716.50/5,611,201 = 5,611,201/x
3. Step 3: Cross multiply
   2,581,716.50x = 5,611,201 × 5,611,201
4. Step 4: Simplify right side
   2,581,716.50x = 31,485,576,662,401
5. Step 5: Solve for x
   x = 31,485,576,662,401/2,581,716.50
6. Step 6: Final answer
   x = 12,195,598.03