Finding the Third Proportional to 670,089 and 1,036,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   670,089 : 1,036,238.50 = 1,036,238.50 : x
2. Step 2: Convert to fraction form
   670,089/1,036,238.50 = 1,036,238.50/x
3. Step 3: Cross multiply
   670,089x = 1,036,238.50 × 1,036,238.50
4. Step 4: Simplify right side
   670,089x = 1,073,790,228,882.25
5. Step 5: Solve for x
   x = 1,073,790,228,882.25/670,089
6. Step 6: Final answer
   x = 1,602,459.12