Finding the Third Proportional to 887,924 and 1,256,412

Step by Step Solution

1. Step 1: Write the proportion equation
   887,924 : 1,256,412 = 1,256,412 : x
2. Step 2: Convert to fraction form
   887,924/1,256,412 = 1,256,412/x
3. Step 3: Cross multiply
   887,924x = 1,256,412 × 1,256,412
4. Step 4: Simplify right side
   887,924x = 1,578,571,113,744
5. Step 5: Solve for x
   x = 1,578,571,113,744/887,924
6. Step 6: Final answer
   x = 1,777,822.33