Finding the Third Proportional to 210,996 and 497,772

Step by Step Solution

1. Step 1: Write the proportion equation
   210,996 : 497,772 = 497,772 : x
2. Step 2: Convert to fraction form
   210,996/497,772 = 497,772/x
3. Step 3: Cross multiply
   210,996x = 497,772 × 497,772
4. Step 4: Simplify right side
   210,996x = 247,776,963,984
5. Step 5: Solve for x
   x = 247,776,963,984/210,996
6. Step 6: Final answer
   x = 1,174,320.67