Finding the Third Proportional to 12,421,728 and 27,030,456

Step by Step Solution

1. Step 1: Write the proportion equation
   12,421,728 : 27,030,456 = 27,030,456 : x
2. Step 2: Convert to fraction form
   12,421,728/27,030,456 = 27,030,456/x
3. Step 3: Cross multiply
   12,421,728x = 27,030,456 × 27,030,456
4. Step 4: Simplify right side
   12,421,728x = 730,645,551,567,936
5. Step 5: Solve for x
   x = 730,645,551,567,936/12,421,728
6. Step 6: Final answer
   x = 58,819,960.60