Finding the Third Proportional to 12,877,848 and 27,991,843

Step by Step Solution

1. Step 1: Write the proportion equation
   12,877,848 : 27,991,843 = 27,991,843 : x
2. Step 2: Convert to fraction form
   12,877,848/27,991,843 = 27,991,843/x
3. Step 3: Cross multiply
   12,877,848x = 27,991,843 × 27,991,843
4. Step 4: Simplify right side
   12,877,848x = 783,543,274,536,649
5. Step 5: Solve for x
   x = 783,543,274,536,649/12,877,848
6. Step 6: Final answer
   x = 60,844,271.07