Finding the Third Proportional to 1,917,772 and 4,134,434

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,772 : 4,134,434 = 4,134,434 : x
2. Step 2: Convert to fraction form
   1,917,772/4,134,434 = 4,134,434/x
3. Step 3: Cross multiply
   1,917,772x = 4,134,434 × 4,134,434
4. Step 4: Simplify right side
   1,917,772x = 17,093,544,500,356
5. Step 5: Solve for x
   x = 17,093,544,500,356/1,917,772
6. Step 6: Final answer
   x = 8,913,230.82