Finding the Third Proportional to 670,123 and 1,036,290

Step by Step Solution

1. Step 1: Write the proportion equation
   670,123 : 1,036,290 = 1,036,290 : x
2. Step 2: Convert to fraction form
   670,123/1,036,290 = 1,036,290/x
3. Step 3: Cross multiply
   670,123x = 1,036,290 × 1,036,290
4. Step 4: Simplify right side
   670,123x = 1,073,896,964,100
5. Step 5: Solve for x
   x = 1,073,896,964,100/670,123
6. Step 6: Final answer
   x = 1,602,537.09