Finding the Third Proportional to 656,260 and 1,028,136

Step by Step Solution

1. Step 1: Write the proportion equation
   656,260 : 1,028,136 = 1,028,136 : x
2. Step 2: Convert to fraction form
   656,260/1,028,136 = 1,028,136/x
3. Step 3: Cross multiply
   656,260x = 1,028,136 × 1,028,136
4. Step 4: Simplify right side
   656,260x = 1,057,063,634,496
5. Step 5: Solve for x
   x = 1,057,063,634,496/656,260
6. Step 6: Final answer
   x = 1,610,739.09