Finding the Third Proportional to 719,510 and 1,039,485

Step by Step Solution

1. Step 1: Write the proportion equation
   719,510 : 1,039,485 = 1,039,485 : x
2. Step 2: Convert to fraction form
   719,510/1,039,485 = 1,039,485/x
3. Step 3: Cross multiply
   719,510x = 1,039,485 × 1,039,485
4. Step 4: Simplify right side
   719,510x = 1,080,529,065,225
5. Step 5: Solve for x
   x = 1,080,529,065,225/719,510
6. Step 6: Final answer
   x = 1,501,756.84