Finding the Third Proportional to 6,149,128 and 13,456,638

Step by Step Solution

1. Step 1: Write the proportion equation
   6,149,128 : 13,456,638 = 13,456,638 : x
2. Step 2: Convert to fraction form
   6,149,128/13,456,638 = 13,456,638/x
3. Step 3: Cross multiply
   6,149,128x = 13,456,638 × 13,456,638
4. Step 4: Simplify right side
   6,149,128x = 181,081,106,263,044
5. Step 5: Solve for x
   x = 181,081,106,263,044/6,149,128
6. Step 6: Final answer
   x = 29,448,257.75