Finding the Third Proportional to 803,648 and 1,215,832

Step by Step Solution

1. Step 1: Write the proportion equation
   803,648 : 1,215,832 = 1,215,832 : x
2. Step 2: Convert to fraction form
   803,648/1,215,832 = 1,215,832/x
3. Step 3: Cross multiply
   803,648x = 1,215,832 × 1,215,832
4. Step 4: Simplify right side
   803,648x = 1,478,247,452,224
5. Step 5: Solve for x
   x = 1,478,247,452,224/803,648
6. Step 6: Final answer
   x = 1,839,421.55