Finding the Third Proportional to 3,213,072 and 7,012,077

Step by Step Solution

1. Step 1: Write the proportion equation
   3,213,072 : 7,012,077 = 7,012,077 : x
2. Step 2: Convert to fraction form
   3,213,072/7,012,077 = 7,012,077/x
3. Step 3: Cross multiply
   3,213,072x = 7,012,077 × 7,012,077
4. Step 4: Simplify right side
   3,213,072x = 49,169,223,853,929
5. Step 5: Solve for x
   x = 49,169,223,853,929/3,213,072
6. Step 6: Final answer
   x = 15,302,870.23