Finding the Third Proportional to 588,321 and 1,242,738

Step by Step Solution

1. Step 1: Write the proportion equation
   588,321 : 1,242,738 = 1,242,738 : x
2. Step 2: Convert to fraction form
   588,321/1,242,738 = 1,242,738/x
3. Step 3: Cross multiply
   588,321x = 1,242,738 × 1,242,738
4. Step 4: Simplify right side
   588,321x = 1,544,397,736,644
5. Step 5: Solve for x
   x = 1,544,397,736,644/588,321
6. Step 6: Final answer
   x = 2,625,093.68