Finding the Third Proportional to 12,364,128 and 26,556,456

Step by Step Solution

1. Step 1: Write the proportion equation
   12,364,128 : 26,556,456 = 26,556,456 : x
2. Step 2: Convert to fraction form
   12,364,128/26,556,456 = 26,556,456/x
3. Step 3: Cross multiply
   12,364,128x = 26,556,456 × 26,556,456
4. Step 4: Simplify right side
   12,364,128x = 705,245,355,279,936
5. Step 5: Solve for x
   x = 705,245,355,279,936/12,364,128
6. Step 6: Final answer
   x = 57,039,635.57