Finding the Third Proportional to 857,248 and 1,293,648

Step by Step Solution

1. Step 1: Write the proportion equation
   857,248 : 1,293,648 = 1,293,648 : x
2. Step 2: Convert to fraction form
   857,248/1,293,648 = 1,293,648/x
3. Step 3: Cross multiply
   857,248x = 1,293,648 × 1,293,648
4. Step 4: Simplify right side
   857,248x = 1,673,525,147,904
5. Step 5: Solve for x
   x = 1,673,525,147,904/857,248
6. Step 6: Final answer
   x = 1,952,206.54