Finding the Third Proportional to 2,109,604.78 and 3,150,516.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,604.78 : 3,150,516.09 = 3,150,516.09 : x
2. Step 2: Convert to fraction form
   2,109,604.78/3,150,516.09 = 3,150,516.09/x
3. Step 3: Cross multiply
   2,109,604.78x = 3,150,516.09 × 3,150,516.09
4. Step 4: Simplify right side
   2,109,604.78x = 9,925,751,656,977.76
5. Step 5: Solve for x
   x = 9,925,751,656,977.76/2,109,604.78
6. Step 6: Final answer
   x = 4,705,028.99