Finding the Third Proportional to 3,273,812 and 7,142,326

Step by Step Solution

1. Step 1: Write the proportion equation
   3,273,812 : 7,142,326 = 7,142,326 : x
2. Step 2: Convert to fraction form
   3,273,812/7,142,326 = 7,142,326/x
3. Step 3: Cross multiply
   3,273,812x = 7,142,326 × 7,142,326
4. Step 4: Simplify right side
   3,273,812x = 51,012,820,690,276
5. Step 5: Solve for x
   x = 51,012,820,690,276/3,273,812
6. Step 6: Final answer
   x = 15,582,086.17