Finding the Third Proportional to 8,503,998 and 13,088,874

Step by Step Solution

1. Step 1: Write the proportion equation
   8,503,998 : 13,088,874 = 13,088,874 : x
2. Step 2: Convert to fraction form
   8,503,998/13,088,874 = 13,088,874/x
3. Step 3: Cross multiply
   8,503,998x = 13,088,874 × 13,088,874
4. Step 4: Simplify right side
   8,503,998x = 171,318,622,587,876
5. Step 5: Solve for x
   x = 171,318,622,587,876/8,503,998
6. Step 6: Final answer
   x = 20,145,656.50