Finding the Third Proportional to 582,645 and 1,271,205

Step by Step Solution

1. Step 1: Write the proportion equation
   582,645 : 1,271,205 = 1,271,205 : x
2. Step 2: Convert to fraction form
   582,645/1,271,205 = 1,271,205/x
3. Step 3: Cross multiply
   582,645x = 1,271,205 × 1,271,205
4. Step 4: Simplify right side
   582,645x = 1,615,962,152,025
5. Step 5: Solve for x
   x = 1,615,962,152,025/582,645
6. Step 6: Final answer
   x = 2,773,493.55