Finding the Third Proportional to 1,972,785 and 4,240,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,785 : 4,240,356 = 4,240,356 : x
2. Step 2: Convert to fraction form
   1,972,785/4,240,356 = 4,240,356/x
3. Step 3: Cross multiply
   1,972,785x = 4,240,356 × 4,240,356
4. Step 4: Simplify right side
   1,972,785x = 17,980,619,006,736
5. Step 5: Solve for x
   x = 17,980,619,006,736/1,972,785
6. Step 6: Final answer
   x = 9,114,332.79