Finding the Third Proportional to 593,139 and 1,399,512

Step by Step Solution

1. Step 1: Write the proportion equation
   593,139 : 1,399,512 = 1,399,512 : x
2. Step 2: Convert to fraction form
   593,139/1,399,512 = 1,399,512/x
3. Step 3: Cross multiply
   593,139x = 1,399,512 × 1,399,512
4. Step 4: Simplify right side
   593,139x = 1,958,633,838,144
5. Step 5: Solve for x
   x = 1,958,633,838,144/593,139
6. Step 6: Final answer
   x = 3,302,149.81