Finding the Third Proportional to 7,487,128 and 16,109,128

Step by Step Solution

1. Step 1: Write the proportion equation
   7,487,128 : 16,109,128 = 16,109,128 : x
2. Step 2: Convert to fraction form
   7,487,128/16,109,128 = 16,109,128/x
3. Step 3: Cross multiply
   7,487,128x = 16,109,128 × 16,109,128
4. Step 4: Simplify right side
   7,487,128x = 259,504,004,920,384
5. Step 5: Solve for x
   x = 259,504,004,920,384/7,487,128
6. Step 6: Final answer
   x = 34,660,019.83