Finding the Third Proportional to 582,425 and 1,272,610

Step by Step Solution

1. Step 1: Write the proportion equation
   582,425 : 1,272,610 = 1,272,610 : x
2. Step 2: Convert to fraction form
   582,425/1,272,610 = 1,272,610/x
3. Step 3: Cross multiply
   582,425x = 1,272,610 × 1,272,610
4. Step 4: Simplify right side
   582,425x = 1,619,536,212,100
5. Step 5: Solve for x
   x = 1,619,536,212,100/582,425
6. Step 6: Final answer
   x = 2,780,677.70