Finding the Third Proportional to 4,085,454 and 8,981,340

Step by Step Solution

1. Step 1: Write the proportion equation
   4,085,454 : 8,981,340 = 8,981,340 : x
2. Step 2: Convert to fraction form
   4,085,454/8,981,340 = 8,981,340/x
3. Step 3: Cross multiply
   4,085,454x = 8,981,340 × 8,981,340
4. Step 4: Simplify right side
   4,085,454x = 80,664,468,195,600
5. Step 5: Solve for x
   x = 80,664,468,195,600/4,085,454
6. Step 6: Final answer
   x = 19,744,309.49