Finding the Third Proportional to 887,726 and 1,256,112

Step by Step Solution

1. Step 1: Write the proportion equation
   887,726 : 1,256,112 = 1,256,112 : x
2. Step 2: Convert to fraction form
   887,726/1,256,112 = 1,256,112/x
3. Step 3: Cross multiply
   887,726x = 1,256,112 × 1,256,112
4. Step 4: Simplify right side
   887,726x = 1,577,817,356,544
5. Step 5: Solve for x
   x = 1,577,817,356,544/887,726
6. Step 6: Final answer
   x = 1,777,369.77