Finding the Third Proportional to 13,449,672 and 27,856,386

Step by Step Solution

1. Step 1: Write the proportion equation
   13,449,672 : 27,856,386 = 27,856,386 : x
2. Step 2: Convert to fraction form
   13,449,672/27,856,386 = 27,856,386/x
3. Step 3: Cross multiply
   13,449,672x = 27,856,386 × 27,856,386
4. Step 4: Simplify right side
   13,449,672x = 775,978,240,980,996
5. Step 5: Solve for x
   x = 775,978,240,980,996/13,449,672
6. Step 6: Final answer
   x = 57,694,956.50