Finding the Third Proportional to 4,403,432 and 9,108,928

Step by Step Solution

1. Step 1: Write the proportion equation
   4,403,432 : 9,108,928 = 9,108,928 : x
2. Step 2: Convert to fraction form
   4,403,432/9,108,928 = 9,108,928/x
3. Step 3: Cross multiply
   4,403,432x = 9,108,928 × 9,108,928
4. Step 4: Simplify right side
   4,403,432x = 82,972,569,309,184
5. Step 5: Solve for x
   x = 82,972,569,309,184/4,403,432
6. Step 6: Final answer
   x = 18,842,704.81