Finding the Third Proportional to 164,913 and 248,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,913 : 248,899.50 = 248,899.50 : x
2. Step 2: Convert to fraction form
   164,913/248,899.50 = 248,899.50/x
3. Step 3: Cross multiply
   164,913x = 248,899.50 × 248,899.50
4. Step 4: Simplify right side
   164,913x = 61,950,961,100.25
5. Step 5: Solve for x
   x = 61,950,961,100.25/164,913
6. Step 6: Final answer
   x = 375,658.44