Finding the Third Proportional to 8,248,930.50 and 12,479,545.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,248,930.50 : 12,479,545.50 = 12,479,545.50 : x
2. Step 2: Convert to fraction form
   8,248,930.50/12,479,545.50 = 12,479,545.50/x
3. Step 3: Cross multiply
   8,248,930.50x = 12,479,545.50 × 12,479,545.50
4. Step 4: Simplify right side
   8,248,930.50x = 155,739,055,886,570.25
5. Step 5: Solve for x
   x = 155,739,055,886,570.25/8,248,930.50
6. Step 6: Final answer
   x = 18,879,908.84