Finding the Third Proportional to 8,436,150 and 12,599,010

Step by Step Solution

1. Step 1: Write the proportion equation
   8,436,150 : 12,599,010 = 12,599,010 : x
2. Step 2: Convert to fraction form
   8,436,150/12,599,010 = 12,599,010/x
3. Step 3: Cross multiply
   8,436,150x = 12,599,010 × 12,599,010
4. Step 4: Simplify right side
   8,436,150x = 158,735,052,980,100
5. Step 5: Solve for x
   x = 158,735,052,980,100/8,436,150
6. Step 6: Final answer
   x = 18,816,053.88