Finding the Third Proportional to 5,319,694 and 8,424,900

Step by Step Solution

1. Step 1: Write the proportion equation
   5,319,694 : 8,424,900 = 8,424,900 : x
2. Step 2: Convert to fraction form
   5,319,694/8,424,900 = 8,424,900/x
3. Step 3: Cross multiply
   5,319,694x = 8,424,900 × 8,424,900
4. Step 4: Simplify right side
   5,319,694x = 70,978,940,010,000
5. Step 5: Solve for x
   x = 70,978,940,010,000/5,319,694
6. Step 6: Final answer
   x = 13,342,673.47