Finding the Third Proportional to 2,193,619 and 3,390,003

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193,619 : 3,390,003 = 3,390,003 : x
2. Step 2: Convert to fraction form
   2,193,619/3,390,003 = 3,390,003/x
3. Step 3: Cross multiply
   2,193,619x = 3,390,003 × 3,390,003
4. Step 4: Simplify right side
   2,193,619x = 11,492,120,340,009
5. Step 5: Solve for x
   x = 11,492,120,340,009/2,193,619
6. Step 6: Final answer
   x = 5,238,886.21