Finding the Third Proportional to 164,049 and 253,343.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,049 : 253,343.50 = 253,343.50 : x
2. Step 2: Convert to fraction form
   164,049/253,343.50 = 253,343.50/x
3. Step 3: Cross multiply
   164,049x = 253,343.50 × 253,343.50
4. Step 4: Simplify right side
   164,049x = 64,182,928,992.25
5. Step 5: Solve for x
   x = 64,182,928,992.25/164,049
6. Step 6: Final answer
   x = 391,242.43