Finding the Third Proportional to 719,457 and 1,039,405

Step by Step Solution

1. Step 1: Write the proportion equation
   719,457 : 1,039,405 = 1,039,405 : x
2. Step 2: Convert to fraction form
   719,457/1,039,405 = 1,039,405/x
3. Step 3: Cross multiply
   719,457x = 1,039,405 × 1,039,405
4. Step 4: Simplify right side
   719,457x = 1,080,362,754,025
5. Step 5: Solve for x
   x = 1,080,362,754,025/719,457
6. Step 6: Final answer
   x = 1,501,636.31