Finding the Third Proportional to 4,924,138 and 11,112,648

Step by Step Solution

1. Step 1: Write the proportion equation
   4,924,138 : 11,112,648 = 11,112,648 : x
2. Step 2: Convert to fraction form
   4,924,138/11,112,648 = 11,112,648/x
3. Step 3: Cross multiply
   4,924,138x = 11,112,648 × 11,112,648
4. Step 4: Simplify right side
   4,924,138x = 123,490,945,571,904
5. Step 5: Solve for x
   x = 123,490,945,571,904/4,924,138
6. Step 6: Final answer
   x = 25,078,693.08