Finding the Third Proportional to 690,282 and 1,513,404

Step by Step Solution

1. Step 1: Write the proportion equation
   690,282 : 1,513,404 = 1,513,404 : x
2. Step 2: Convert to fraction form
   690,282/1,513,404 = 1,513,404/x
3. Step 3: Cross multiply
   690,282x = 1,513,404 × 1,513,404
4. Step 4: Simplify right side
   690,282x = 2,290,391,667,216
5. Step 5: Solve for x
   x = 2,290,391,667,216/690,282
6. Step 6: Final answer
   x = 3,318,052.14