Finding the Third Proportional to 2,458,404 and 5,321,160

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458,404 : 5,321,160 = 5,321,160 : x
2. Step 2: Convert to fraction form
   2,458,404/5,321,160 = 5,321,160/x
3. Step 3: Cross multiply
   2,458,404x = 5,321,160 × 5,321,160
4. Step 4: Simplify right side
   2,458,404x = 28,314,743,745,600
5. Step 5: Solve for x
   x = 28,314,743,745,600/2,458,404
6. Step 6: Final answer
   x = 11,517,530.78