Finding the Third Proportional to 6,408,322 and 9,919,310

Step by Step Solution

1. Step 1: Write the proportion equation
   6,408,322 : 9,919,310 = 9,919,310 : x
2. Step 2: Convert to fraction form
   6,408,322/9,919,310 = 9,919,310/x
3. Step 3: Cross multiply
   6,408,322x = 9,919,310 × 9,919,310
4. Step 4: Simplify right side
   6,408,322x = 98,392,710,876,100
5. Step 5: Solve for x
   x = 98,392,710,876,100/6,408,322
6. Step 6: Final answer
   x = 15,353,896.21