Finding the Third Proportional to 2,225,688 and 3,245,220

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225,688 : 3,245,220 = 3,245,220 : x
2. Step 2: Convert to fraction form
   2,225,688/3,245,220 = 3,245,220/x
3. Step 3: Cross multiply
   2,225,688x = 3,245,220 × 3,245,220
4. Step 4: Simplify right side
   2,225,688x = 10,531,452,848,400
5. Step 5: Solve for x
   x = 10,531,452,848,400/2,225,688
6. Step 6: Final answer
   x = 4,731,774.11