Finding the Third Proportional to 164,907 and 248,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,907 : 248,890.50 = 248,890.50 : x
2. Step 2: Convert to fraction form
   164,907/248,890.50 = 248,890.50/x
3. Step 3: Cross multiply
   164,907x = 248,890.50 × 248,890.50
4. Step 4: Simplify right side
   164,907x = 61,946,480,990.25
5. Step 5: Solve for x
   x = 61,946,480,990.25/164,907
6. Step 6: Final answer
   x = 375,644.95