Finding the Third Proportional to 866,880 and 1,150,258

Step by Step Solution

1. Step 1: Write the proportion equation
   866,880 : 1,150,258 = 1,150,258 : x
2. Step 2: Convert to fraction form
   866,880/1,150,258 = 1,150,258/x
3. Step 3: Cross multiply
   866,880x = 1,150,258 × 1,150,258
4. Step 4: Simplify right side
   866,880x = 1,323,093,466,564
5. Step 5: Solve for x
   x = 1,323,093,466,564/866,880
6. Step 6: Final answer
   x = 1,526,270.61