Finding the Third Proportional to 887,768 and 1,391,152

Step by Step Solution

1. Step 1: Write the proportion equation
   887,768 : 1,391,152 = 1,391,152 : x
2. Step 2: Convert to fraction form
   887,768/1,391,152 = 1,391,152/x
3. Step 3: Cross multiply
   887,768x = 1,391,152 × 1,391,152
4. Step 4: Simplify right side
   887,768x = 1,935,303,887,104
5. Step 5: Solve for x
   x = 1,935,303,887,104/887,768
6. Step 6: Final answer
   x = 2,179,965.81