Finding the Third Proportional to 582,424 and 1,272,608

Step by Step Solution

1. Step 1: Write the proportion equation
   582,424 : 1,272,608 = 1,272,608 : x
2. Step 2: Convert to fraction form
   582,424/1,272,608 = 1,272,608/x
3. Step 3: Cross multiply
   582,424x = 1,272,608 × 1,272,608
4. Step 4: Simplify right side
   582,424x = 1,619,531,121,664
5. Step 5: Solve for x
   x = 1,619,531,121,664/582,424
6. Step 6: Final answer
   x = 2,780,673.74