Finding the Third Proportional to 2,430,290 and 5,318,266

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,290 : 5,318,266 = 5,318,266 : x
2. Step 2: Convert to fraction form
   2,430,290/5,318,266 = 5,318,266/x
3. Step 3: Cross multiply
   2,430,290x = 5,318,266 × 5,318,266
4. Step 4: Simplify right side
   2,430,290x = 28,283,953,246,756
5. Step 5: Solve for x
   x = 28,283,953,246,756/2,430,290
6. Step 6: Final answer
   x = 11,638,098.02