Finding the Third Proportional to 2,120,896 and 3,212,232

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,896 : 3,212,232 = 3,212,232 : x
2. Step 2: Convert to fraction form
   2,120,896/3,212,232 = 3,212,232/x
3. Step 3: Cross multiply
   2,120,896x = 3,212,232 × 3,212,232
4. Step 4: Simplify right side
   2,120,896x = 10,318,434,421,824
5. Step 5: Solve for x
   x = 10,318,434,421,824/2,120,896
6. Step 6: Final answer
   x = 4,865,129.84