Finding the Third Proportional to 18,560,105 and 28,078,994

Step by Step Solution

1. Step 1: Write the proportion equation
   18,560,105 : 28,078,994 = 28,078,994 : x
2. Step 2: Convert to fraction form
   18,560,105/28,078,994 = 28,078,994/x
3. Step 3: Cross multiply
   18,560,105x = 28,078,994 × 28,078,994
4. Step 4: Simplify right side
   18,560,105x = 788,429,904,052,036
5. Step 5: Solve for x
   x = 788,429,904,052,036/18,560,105
6. Step 6: Final answer
   x = 42,479,819.16