Finding the Third Proportional to 870,291 and 1,267,564

Step by Step Solution

1. Step 1: Write the proportion equation
   870,291 : 1,267,564 = 1,267,564 : x
2. Step 2: Convert to fraction form
   870,291/1,267,564 = 1,267,564/x
3. Step 3: Cross multiply
   870,291x = 1,267,564 × 1,267,564
4. Step 4: Simplify right side
   870,291x = 1,606,718,494,096
5. Step 5: Solve for x
   x = 1,606,718,494,096/870,291
6. Step 6: Final answer
   x = 1,846,185.35