Finding the Third Proportional to 3,492,309 and 5,216,956

Step by Step Solution

1. Step 1: Write the proportion equation
   3,492,309 : 5,216,956 = 5,216,956 : x
2. Step 2: Convert to fraction form
   3,492,309/5,216,956 = 5,216,956/x
3. Step 3: Cross multiply
   3,492,309x = 5,216,956 × 5,216,956
4. Step 4: Simplify right side
   3,492,309x = 27,216,629,905,936
5. Step 5: Solve for x
   x = 27,216,629,905,936/3,492,309
6. Step 6: Final answer
   x = 7,793,305.20