Finding the Third Proportional to 662,709 and 1,036,710

Step by Step Solution

1. Step 1: Write the proportion equation
   662,709 : 1,036,710 = 1,036,710 : x
2. Step 2: Convert to fraction form
   662,709/1,036,710 = 1,036,710/x
3. Step 3: Cross multiply
   662,709x = 1,036,710 × 1,036,710
4. Step 4: Simplify right side
   662,709x = 1,074,767,624,100
5. Step 5: Solve for x
   x = 1,074,767,624,100/662,709
6. Step 6: Final answer
   x = 1,621,779.13