Finding the Third Proportional to 5,319,696 and 8,424,903

Step by Step Solution

1. Step 1: Write the proportion equation
   5,319,696 : 8,424,903 = 8,424,903 : x
2. Step 2: Convert to fraction form
   5,319,696/8,424,903 = 8,424,903/x
3. Step 3: Cross multiply
   5,319,696x = 8,424,903 × 8,424,903
4. Step 4: Simplify right side
   5,319,696x = 70,978,990,559,409
5. Step 5: Solve for x
   x = 70,978,990,559,409/5,319,696
6. Step 6: Final answer
   x = 13,342,677.96