Finding the Third Proportional to 2,531,298 and 5,543,412

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531,298 : 5,543,412 = 5,543,412 : x
2. Step 2: Convert to fraction form
   2,531,298/5,543,412 = 5,543,412/x
3. Step 3: Cross multiply
   2,531,298x = 5,543,412 × 5,543,412
4. Step 4: Simplify right side
   2,531,298x = 30,729,416,601,744
5. Step 5: Solve for x
   x = 30,729,416,601,744/2,531,298
6. Step 6: Final answer
   x = 12,139,786.23