Finding the Third Proportional to 4,129,382 and 8,891,484

Step by Step Solution

1. Step 1: Write the proportion equation
   4,129,382 : 8,891,484 = 8,891,484 : x
2. Step 2: Convert to fraction form
   4,129,382/8,891,484 = 8,891,484/x
3. Step 3: Cross multiply
   4,129,382x = 8,891,484 × 8,891,484
4. Step 4: Simplify right side
   4,129,382x = 79,058,487,722,256
5. Step 5: Solve for x
   x = 79,058,487,722,256/4,129,382
6. Step 6: Final answer
   x = 19,145,355.82