Finding the Third Proportional to 12,215,116 and 25,434,997

Step by Step Solution

1. Step 1: Write the proportion equation
   12,215,116 : 25,434,997 = 25,434,997 : x
2. Step 2: Convert to fraction form
   12,215,116/25,434,997 = 25,434,997/x
3. Step 3: Cross multiply
   12,215,116x = 25,434,997 × 25,434,997
4. Step 4: Simplify right side
   12,215,116x = 646,939,072,390,009
5. Step 5: Solve for x
   x = 646,939,072,390,009/12,215,116
6. Step 6: Final answer
   x = 52,962,171.82