Finding the Third Proportional to 4,645,922 and 10,189,243

Step by Step Solution

1. Step 1: Write the proportion equation
   4,645,922 : 10,189,243 = 10,189,243 : x
2. Step 2: Convert to fraction form
   4,645,922/10,189,243 = 10,189,243/x
3. Step 3: Cross multiply
   4,645,922x = 10,189,243 × 10,189,243
4. Step 4: Simplify right side
   4,645,922x = 103,820,672,913,049
5. Step 5: Solve for x
   x = 103,820,672,913,049/4,645,922
6. Step 6: Final answer
   x = 22,346,624.18