Finding the Third Proportional to 109,572 and 164,988

Step by Step Solution

1. Step 1: Write the proportion equation
   109,572 : 164,988 = 164,988 : x
2. Step 2: Convert to fraction form
   109,572/164,988 = 164,988/x
3. Step 3: Cross multiply
   109,572x = 164,988 × 164,988
4. Step 4: Simplify right side
   109,572x = 27,221,040,144
5. Step 5: Solve for x
   x = 27,221,040,144/109,572
6. Step 6: Final answer
   x = 248,430.62