Finding the Third Proportional to 158,247 and 248,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,247 : 248,764.50 = 248,764.50 : x
2. Step 2: Convert to fraction form
   158,247/248,764.50 = 248,764.50/x
3. Step 3: Cross multiply
   158,247x = 248,764.50 × 248,764.50
4. Step 4: Simplify right side
   158,247x = 61,883,776,460.25
5. Step 5: Solve for x
   x = 61,883,776,460.25/158,247
6. Step 6: Final answer
   x = 391,058.13