Finding the Third Proportional to 970,369 and 1,389,495

Step by Step Solution

1. Step 1: Write the proportion equation
   970,369 : 1,389,495 = 1,389,495 : x
2. Step 2: Convert to fraction form
   970,369/1,389,495 = 1,389,495/x
3. Step 3: Cross multiply
   970,369x = 1,389,495 × 1,389,495
4. Step 4: Simplify right side
   970,369x = 1,930,696,355,025
5. Step 5: Solve for x
   x = 1,930,696,355,025/970,369
6. Step 6: Final answer
   x = 1,989,651.73