Finding the Third Proportional to 2,488,860 and 5,318,892

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,860 : 5,318,892 = 5,318,892 : x
2. Step 2: Convert to fraction form
   2,488,860/5,318,892 = 5,318,892/x
3. Step 3: Cross multiply
   2,488,860x = 5,318,892 × 5,318,892
4. Step 4: Simplify right side
   2,488,860x = 28,290,612,107,664
5. Step 5: Solve for x
   x = 28,290,612,107,664/2,488,860
6. Step 6: Final answer
   x = 11,366,895.73