Finding the Third Proportional to 4,432,448 and 9,705,648

Step by Step Solution

1. Step 1: Write the proportion equation
   4,432,448 : 9,705,648 = 9,705,648 : x
2. Step 2: Convert to fraction form
   4,432,448/9,705,648 = 9,705,648/x
3. Step 3: Cross multiply
   4,432,448x = 9,705,648 × 9,705,648
4. Step 4: Simplify right side
   4,432,448x = 94,199,603,099,904
5. Step 5: Solve for x
   x = 94,199,603,099,904/4,432,448
6. Step 6: Final answer
   x = 21,252,274.84