Finding the Third Proportional to 838,960 and 1,258,530

Step by Step Solution

1. Step 1: Write the proportion equation
   838,960 : 1,258,530 = 1,258,530 : x
2. Step 2: Convert to fraction form
   838,960/1,258,530 = 1,258,530/x
3. Step 3: Cross multiply
   838,960x = 1,258,530 × 1,258,530
4. Step 4: Simplify right side
   838,960x = 1,583,897,760,900
5. Step 5: Solve for x
   x = 1,583,897,760,900/838,960
6. Step 6: Final answer
   x = 1,887,930.01