Finding the Third Proportional to 601,116 and 899,790

Step by Step Solution

1. Step 1: Write the proportion equation
   601,116 : 899,790 = 899,790 : x
2. Step 2: Convert to fraction form
   601,116/899,790 = 899,790/x
3. Step 3: Cross multiply
   601,116x = 899,790 × 899,790
4. Step 4: Simplify right side
   601,116x = 809,622,044,100
5. Step 5: Solve for x
   x = 809,622,044,100/601,116
6. Step 6: Final answer
   x = 1,346,864.90