Finding the Third Proportional to 10,179,330 and 21,067,209

Step by Step Solution

1. Step 1: Write the proportion equation
   10,179,330 : 21,067,209 = 21,067,209 : x
2. Step 2: Convert to fraction form
   10,179,330/21,067,209 = 21,067,209/x
3. Step 3: Cross multiply
   10,179,330x = 21,067,209 × 21,067,209
4. Step 4: Simplify right side
   10,179,330x = 443,827,295,049,681
5. Step 5: Solve for x
   x = 443,827,295,049,681/10,179,330
6. Step 6: Final answer
   x = 43,600,835.72