Finding the Third Proportional to 3,409,479 and 5,293,512

Step by Step Solution

1. Step 1: Write the proportion equation
   3,409,479 : 5,293,512 = 5,293,512 : x
2. Step 2: Convert to fraction form
   3,409,479/5,293,512 = 5,293,512/x
3. Step 3: Cross multiply
   3,409,479x = 5,293,512 × 5,293,512
4. Step 4: Simplify right side
   3,409,479x = 28,021,269,294,144
5. Step 5: Solve for x
   x = 28,021,269,294,144/3,409,479
6. Step 6: Final answer
   x = 8,218,636.72