Finding the Third Proportional to 601,122 and 899,799

Step by Step Solution

1. Step 1: Write the proportion equation
   601,122 : 899,799 = 899,799 : x
2. Step 2: Convert to fraction form
   601,122/899,799 = 899,799/x
3. Step 3: Cross multiply
   601,122x = 899,799 × 899,799
4. Step 4: Simplify right side
   601,122x = 809,638,240,401
5. Step 5: Solve for x
   x = 809,638,240,401/601,122
6. Step 6: Final answer
   x = 1,346,878.40