Finding the Third Proportional to 6,394,410 and 13,379,988

Step by Step Solution

1. Step 1: Write the proportion equation
   6,394,410 : 13,379,988 = 13,379,988 : x
2. Step 2: Convert to fraction form
   6,394,410/13,379,988 = 13,379,988/x
3. Step 3: Cross multiply
   6,394,410x = 13,379,988 × 13,379,988
4. Step 4: Simplify right side
   6,394,410x = 179,024,078,880,144
5. Step 5: Solve for x
   x = 179,024,078,880,144/6,394,410
6. Step 6: Final answer
   x = 27,996,965.92