Finding the Third Proportional to 856,968 and 1,258,936

Step by Step Solution

1. Step 1: Write the proportion equation
   856,968 : 1,258,936 = 1,258,936 : x
2. Step 2: Convert to fraction form
   856,968/1,258,936 = 1,258,936/x
3. Step 3: Cross multiply
   856,968x = 1,258,936 × 1,258,936
4. Step 4: Simplify right side
   856,968x = 1,584,919,852,096
5. Step 5: Solve for x
   x = 1,584,919,852,096/856,968
6. Step 6: Final answer
   x = 1,849,450.45