Finding the Third Proportional to 3,279,586 and 7,190,972

Step by Step Solution

1. Step 1: Write the proportion equation
   3,279,586 : 7,190,972 = 7,190,972 : x
2. Step 2: Convert to fraction form
   3,279,586/7,190,972 = 7,190,972/x
3. Step 3: Cross multiply
   3,279,586x = 7,190,972 × 7,190,972
4. Step 4: Simplify right side
   3,279,586x = 51,710,078,304,784
5. Step 5: Solve for x
   x = 51,710,078,304,784/3,279,586
6. Step 6: Final answer
   x = 15,767,257.91