Finding the Third Proportional to 8,072,605.50 and 12,465,834

Step by Step Solution

1. Step 1: Write the proportion equation
   8,072,605.50 : 12,465,834 = 12,465,834 : x
2. Step 2: Convert to fraction form
   8,072,605.50/12,465,834 = 12,465,834/x
3. Step 3: Cross multiply
   8,072,605.50x = 12,465,834 × 12,465,834
4. Step 4: Simplify right side
   8,072,605.50x = 155,397,017,315,556
5. Step 5: Solve for x
   x = 155,397,017,315,556/8,072,605.50
6. Step 6: Final answer
   x = 19,249,920.90