Finding the Third Proportional to 8,928,939 and 19,380,030

Step by Step Solution

1. Step 1: Write the proportion equation
   8,928,939 : 19,380,030 = 19,380,030 : x
2. Step 2: Convert to fraction form
   8,928,939/19,380,030 = 19,380,030/x
3. Step 3: Cross multiply
   8,928,939x = 19,380,030 × 19,380,030
4. Step 4: Simplify right side
   8,928,939x = 375,585,562,800,900
5. Step 5: Solve for x
   x = 375,585,562,800,900/8,928,939
6. Step 6: Final answer
   x = 42,063,851.35