Finding the Third Proportional to 1,415,296 and 2,117,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415,296 : 2,117,760 = 2,117,760 : x
2. Step 2: Convert to fraction form
   1,415,296/2,117,760 = 2,117,760/x
3. Step 3: Cross multiply
   1,415,296x = 2,117,760 × 2,117,760
4. Step 4: Simplify right side
   1,415,296x = 4,484,907,417,600
5. Step 5: Solve for x
   x = 4,484,907,417,600/1,415,296
6. Step 6: Final answer
   x = 3,168,882.99