Finding the Third Proportional to 720,146 and 1,569,892

Step by Step Solution

1. Step 1: Write the proportion equation
   720,146 : 1,569,892 = 1,569,892 : x
2. Step 2: Convert to fraction form
   720,146/1,569,892 = 1,569,892/x
3. Step 3: Cross multiply
   720,146x = 1,569,892 × 1,569,892
4. Step 4: Simplify right side
   720,146x = 2,464,560,891,664
5. Step 5: Solve for x
   x = 2,464,560,891,664/720,146
6. Step 6: Final answer
   x = 3,422,307.27