Finding the Third Proportional to 719,459 and 1,039,408

Step by Step Solution

1. Step 1: Write the proportion equation
   719,459 : 1,039,408 = 1,039,408 : x
2. Step 2: Convert to fraction form
   719,459/1,039,408 = 1,039,408/x
3. Step 3: Cross multiply
   719,459x = 1,039,408 × 1,039,408
4. Step 4: Simplify right side
   719,459x = 1,080,368,990,464
5. Step 5: Solve for x
   x = 1,080,368,990,464/719,459
6. Step 6: Final answer
   x = 1,501,640.80