Finding the Third Proportional to 2,848,138 and 4,272,774

Step by Step Solution

1. Step 1: Write the proportion equation
   2,848,138 : 4,272,774 = 4,272,774 : x
2. Step 2: Convert to fraction form
   2,848,138/4,272,774 = 4,272,774/x
3. Step 3: Cross multiply
   2,848,138x = 4,272,774 × 4,272,774
4. Step 4: Simplify right side
   2,848,138x = 18,256,597,655,076
5. Step 5: Solve for x
   x = 18,256,597,655,076/2,848,138
6. Step 6: Final answer
   x = 6,410,011.61