Finding the Third Proportional to 869,908 and 1,271,294

Step by Step Solution

1. Step 1: Write the proportion equation
   869,908 : 1,271,294 = 1,271,294 : x
2. Step 2: Convert to fraction form
   869,908/1,271,294 = 1,271,294/x
3. Step 3: Cross multiply
   869,908x = 1,271,294 × 1,271,294
4. Step 4: Simplify right side
   869,908x = 1,616,188,434,436
5. Step 5: Solve for x
   x = 1,616,188,434,436/869,908
6. Step 6: Final answer
   x = 1,857,884.32