Finding the Third Proportional to 1,415,286 and 2,117,745

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415,286 : 2,117,745 = 2,117,745 : x
2. Step 2: Convert to fraction form
   1,415,286/2,117,745 = 2,117,745/x
3. Step 3: Cross multiply
   1,415,286x = 2,117,745 × 2,117,745
4. Step 4: Simplify right side
   1,415,286x = 4,484,843,885,025
5. Step 5: Solve for x
   x = 4,484,843,885,025/1,415,286
6. Step 6: Final answer
   x = 3,168,860.49