Finding the Third Proportional to 2,488,866 and 5,318,900

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,866 : 5,318,900 = 5,318,900 : x
2. Step 2: Convert to fraction form
   2,488,866/5,318,900 = 5,318,900/x
3. Step 3: Cross multiply
   2,488,866x = 5,318,900 × 5,318,900
4. Step 4: Simplify right side
   2,488,866x = 28,290,697,210,000
5. Step 5: Solve for x
   x = 28,290,697,210,000/2,488,866
6. Step 6: Final answer
   x = 11,366,902.52