Finding the Third Proportional to 3,505,248 and 5,643,408

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505,248 : 5,643,408 = 5,643,408 : x
2. Step 2: Convert to fraction form
   3,505,248/5,643,408 = 5,643,408/x
3. Step 3: Cross multiply
   3,505,248x = 5,643,408 × 5,643,408
4. Step 4: Simplify right side
   3,505,248x = 31,848,053,854,464
5. Step 5: Solve for x
   x = 31,848,053,854,464/3,505,248
6. Step 6: Final answer
   x = 9,085,820.42