Finding the Third Proportional to 970,323 and 1,389,429

Step by Step Solution

1. Step 1: Write the proportion equation
   970,323 : 1,389,429 = 1,389,429 : x
2. Step 2: Convert to fraction form
   970,323/1,389,429 = 1,389,429/x
3. Step 3: Cross multiply
   970,323x = 1,389,429 × 1,389,429
4. Step 4: Simplify right side
   970,323x = 1,930,512,946,041
5. Step 5: Solve for x
   x = 1,930,512,946,041/970,323
6. Step 6: Final answer
   x = 1,989,557.03