Finding the Third Proportional to 909,254 and 1,398,000

Step by Step Solution

1. Step 1: Write the proportion equation
   909,254 : 1,398,000 = 1,398,000 : x
2. Step 2: Convert to fraction form
   909,254/1,398,000 = 1,398,000/x
3. Step 3: Cross multiply
   909,254x = 1,398,000 × 1,398,000
4. Step 4: Simplify right side
   909,254x = 1,954,404,000,000
5. Step 5: Solve for x
   x = 1,954,404,000,000/909,254
6. Step 6: Final answer
   x = 2,149,458.79