Finding the Third Proportional to 10,179,346 and 21,067,240

Step by Step Solution

1. Step 1: Write the proportion equation
   10,179,346 : 21,067,240 = 21,067,240 : x
2. Step 2: Convert to fraction form
   10,179,346/21,067,240 = 21,067,240/x
3. Step 3: Cross multiply
   10,179,346x = 21,067,240 × 21,067,240
4. Step 4: Simplify right side
   10,179,346x = 443,828,601,217,600
5. Step 5: Solve for x
   x = 443,828,601,217,600/10,179,346
6. Step 6: Final answer
   x = 43,600,895.50