Finding the Third Proportional to 8,995,743 and 12,820,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,995,743 : 12,820,747.50 = 12,820,747.50 : x
2. Step 2: Convert to fraction form
   8,995,743/12,820,747.50 = 12,820,747.50/x
3. Step 3: Cross multiply
   8,995,743x = 12,820,747.50 × 12,820,747.50
4. Step 4: Simplify right side
   8,995,743x = 164,371,566,458,756.25
5. Step 5: Solve for x
   x = 164,371,566,458,756.25/8,995,743
6. Step 6: Final answer
   x = 18,272,150.11