Finding the Third Proportional to 18,947,007.42 and 41,109,918.61

Step by Step Solution

1. Step 1: Write the proportion equation
   18,947,007.42 : 41,109,918.61 = 41,109,918.61 : x
2. Step 2: Convert to fraction form
   18,947,007.42/41,109,918.61 = 41,109,918.61/x
3. Step 3: Cross multiply
   18,947,007.42x = 41,109,918.61 × 41,109,918.61
4. Step 4: Simplify right side
   18,947,007.42x = 1,690,025,408,069,519
5. Step 5: Solve for x
   x = 1,690,025,408,069,519/18,947,007.42
6. Step 6: Final answer
   x = 89,197,484.88