Finding the Third Proportional to 601,090 and 899,760

Step by Step Solution

1. Step 1: Write the proportion equation
   601,090 : 899,760 = 899,760 : x
2. Step 2: Convert to fraction form
   601,090/899,760 = 899,760/x
3. Step 3: Cross multiply
   601,090x = 899,760 × 899,760
4. Step 4: Simplify right side
   601,090x = 809,568,057,600
5. Step 5: Solve for x
   x = 809,568,057,600/601,090
6. Step 6: Final answer
   x = 1,346,833.35