Finding the Third Proportional to 670,069 and 1,036,209

Step by Step Solution

1. Step 1: Write the proportion equation
   670,069 : 1,036,209 = 1,036,209 : x
2. Step 2: Convert to fraction form
   670,069/1,036,209 = 1,036,209/x
3. Step 3: Cross multiply
   670,069x = 1,036,209 × 1,036,209
4. Step 4: Simplify right side
   670,069x = 1,073,729,091,681
5. Step 5: Solve for x
   x = 1,073,729,091,681/670,069
6. Step 6: Final answer
   x = 1,602,415.71