Finding the Third Proportional to 210,426 and 451,002

Step by Step Solution

1. Step 1: Write the proportion equation
   210,426 : 451,002 = 451,002 : x
2. Step 2: Convert to fraction form
   210,426/451,002 = 451,002/x
3. Step 3: Cross multiply
   210,426x = 451,002 × 451,002
4. Step 4: Simplify right side
   210,426x = 203,402,804,004
5. Step 5: Solve for x
   x = 203,402,804,004/210,426
6. Step 6: Final answer
   x = 966,623.92