Finding the Third Proportional to 109,620 and 164,424

Step by Step Solution

1. Step 1: Write the proportion equation
   109,620 : 164,424 = 164,424 : x
2. Step 2: Convert to fraction form
   109,620/164,424 = 164,424/x
3. Step 3: Cross multiply
   109,620x = 164,424 × 164,424
4. Step 4: Simplify right side
   109,620x = 27,035,251,776
5. Step 5: Solve for x
   x = 27,035,251,776/109,620
6. Step 6: Final answer
   x = 246,627.00