Finding the Third Proportional to 485,412 and 1,009,560

Step by Step Solution

1. Step 1: Write the proportion equation
   485,412 : 1,009,560 = 1,009,560 : x
2. Step 2: Convert to fraction form
   485,412/1,009,560 = 1,009,560/x
3. Step 3: Cross multiply
   485,412x = 1,009,560 × 1,009,560
4. Step 4: Simplify right side
   485,412x = 1,019,211,393,600
5. Step 5: Solve for x
   x = 1,019,211,393,600/485,412
6. Step 6: Final answer
   x = 2,099,683.14