Finding the Third Proportional to 280,610 and 601,066

Step by Step Solution

1. Step 1: Write the proportion equation
   280,610 : 601,066 = 601,066 : x
2. Step 2: Convert to fraction form
   280,610/601,066 = 601,066/x
3. Step 3: Cross multiply
   280,610x = 601,066 × 601,066
4. Step 4: Simplify right side
   280,610x = 361,280,336,356
5. Step 5: Solve for x
   x = 361,280,336,356/280,610
6. Step 6: Final answer
   x = 1,287,482.04