Finding the Third Proportional to 2,185,812 and 3,256,254

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,812 : 3,256,254 = 3,256,254 : x
2. Step 2: Convert to fraction form
   2,185,812/3,256,254 = 3,256,254/x
3. Step 3: Cross multiply
   2,185,812x = 3,256,254 × 3,256,254
4. Step 4: Simplify right side
   2,185,812x = 10,603,190,112,516
5. Step 5: Solve for x
   x = 10,603,190,112,516/2,185,812
6. Step 6: Final answer
   x = 4,850,915.87