Finding the Third Proportional to 723,309 and 1,584,408

Step by Step Solution

1. Step 1: Write the proportion equation
   723,309 : 1,584,408 = 1,584,408 : x
2. Step 2: Convert to fraction form
   723,309/1,584,408 = 1,584,408/x
3. Step 3: Cross multiply
   723,309x = 1,584,408 × 1,584,408
4. Step 4: Simplify right side
   723,309x = 2,510,348,710,464
5. Step 5: Solve for x
   x = 2,510,348,710,464/723,309
6. Step 6: Final answer
   x = 3,470,644.93