Finding the Third Proportional to 630,909 and 1,521,068

Step by Step Solution

1. Step 1: Write the proportion equation
   630,909 : 1,521,068 = 1,521,068 : x
2. Step 2: Convert to fraction form
   630,909/1,521,068 = 1,521,068/x
3. Step 3: Cross multiply
   630,909x = 1,521,068 × 1,521,068
4. Step 4: Simplify right side
   630,909x = 2,313,647,860,624
5. Step 5: Solve for x
   x = 2,313,647,860,624/630,909
6. Step 6: Final answer
   x = 3,667,165.73