Finding the Third Proportional to 1,417,655 and 2,178,966

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417,655 : 2,178,966 = 2,178,966 : x
2. Step 2: Convert to fraction form
   1,417,655/2,178,966 = 2,178,966/x
3. Step 3: Cross multiply
   1,417,655x = 2,178,966 × 2,178,966
4. Step 4: Simplify right side
   1,417,655x = 4,747,892,829,156
5. Step 5: Solve for x
   x = 4,747,892,829,156/1,417,655
6. Step 6: Final answer
   x = 3,349,117.26