Finding the Third Proportional to 9,389,328 and 19,787,410

Step by Step Solution

1. Step 1: Write the proportion equation
   9,389,328 : 19,787,410 = 19,787,410 : x
2. Step 2: Convert to fraction form
   9,389,328/19,787,410 = 19,787,410/x
3. Step 3: Cross multiply
   9,389,328x = 19,787,410 × 19,787,410
4. Step 4: Simplify right side
   9,389,328x = 391,541,594,508,100
5. Step 5: Solve for x
   x = 391,541,594,508,100/9,389,328
6. Step 6: Final answer
   x = 41,700,704.73