Finding the Third Proportional to 833,648 and 1,290,072

Step by Step Solution

1. Step 1: Write the proportion equation
   833,648 : 1,290,072 = 1,290,072 : x
2. Step 2: Convert to fraction form
   833,648/1,290,072 = 1,290,072/x
3. Step 3: Cross multiply
   833,648x = 1,290,072 × 1,290,072
4. Step 4: Simplify right side
   833,648x = 1,664,285,765,184
5. Step 5: Solve for x
   x = 1,664,285,765,184/833,648
6. Step 6: Final answer
   x = 1,996,389.08