Finding the Third Proportional to 4,386,384 and 9,781,322

Step by Step Solution

1. Step 1: Write the proportion equation
   4,386,384 : 9,781,322 = 9,781,322 : x
2. Step 2: Convert to fraction form
   4,386,384/9,781,322 = 9,781,322/x
3. Step 3: Cross multiply
   4,386,384x = 9,781,322 × 9,781,322
4. Step 4: Simplify right side
   4,386,384x = 95,674,260,067,684
5. Step 5: Solve for x
   x = 95,674,260,067,684/4,386,384
6. Step 6: Final answer
   x = 21,811,647.15