Finding the Third Proportional to 2,112,930 and 4,400,964

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,930 : 4,400,964 = 4,400,964 : x
2. Step 2: Convert to fraction form
   2,112,930/4,400,964 = 4,400,964/x
3. Step 3: Cross multiply
   2,112,930x = 4,400,964 × 4,400,964
4. Step 4: Simplify right side
   2,112,930x = 19,368,484,129,296
5. Step 5: Solve for x
   x = 19,368,484,129,296/2,112,930
6. Step 6: Final answer
   x = 9,166,647.32