Finding the Third Proportional to 670,091 and 1,036,243

Step by Step Solution

1. Step 1: Write the proportion equation
   670,091 : 1,036,243 = 1,036,243 : x
2. Step 2: Convert to fraction form
   670,091/1,036,243 = 1,036,243/x
3. Step 3: Cross multiply
   670,091x = 1,036,243 × 1,036,243
4. Step 4: Simplify right side
   670,091x = 1,073,799,555,049
5. Step 5: Solve for x
   x = 1,073,799,555,049/670,091
6. Step 6: Final answer
   x = 1,602,468.25