Finding the Third Proportional to 164,624 and 250,488

Step by Step Solution

1. Step 1: Write the proportion equation
   164,624 : 250,488 = 250,488 : x
2. Step 2: Convert to fraction form
   164,624/250,488 = 250,488/x
3. Step 3: Cross multiply
   164,624x = 250,488 × 250,488
4. Step 4: Simplify right side
   164,624x = 62,744,238,144
5. Step 5: Solve for x
   x = 62,744,238,144/164,624
6. Step 6: Final answer
   x = 381,136.64