Finding the Third Proportional to 121,095 and 247,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   121,095 : 247,117.50 = 247,117.50 : x
2. Step 2: Convert to fraction form
   121,095/247,117.50 = 247,117.50/x
3. Step 3: Cross multiply
   121,095x = 247,117.50 × 247,117.50
4. Step 4: Simplify right side
   121,095x = 61,067,058,806.25
5. Step 5: Solve for x
   x = 61,067,058,806.25/121,095
6. Step 6: Final answer
   x = 504,290.51