Finding the Third Proportional to 2,572,030 and 5,586,860

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,030 : 5,586,860 = 5,586,860 : x
2. Step 2: Convert to fraction form
   2,572,030/5,586,860 = 5,586,860/x
3. Step 3: Cross multiply
   2,572,030x = 5,586,860 × 5,586,860
4. Step 4: Simplify right side
   2,572,030x = 31,213,004,659,600
5. Step 5: Solve for x
   x = 31,213,004,659,600/2,572,030
6. Step 6: Final answer
   x = 12,135,552.33