Finding the Third Proportional to 719,458 and 1,039,406

Step by Step Solution

1. Step 1: Write the proportion equation
   719,458 : 1,039,406 = 1,039,406 : x
2. Step 2: Convert to fraction form
   719,458/1,039,406 = 1,039,406/x
3. Step 3: Cross multiply
   719,458x = 1,039,406 × 1,039,406
4. Step 4: Simplify right side
   719,458x = 1,080,364,832,836
5. Step 5: Solve for x
   x = 1,080,364,832,836/719,458
6. Step 6: Final answer
   x = 1,501,637.11