Finding the Third Proportional to 1,972,705 and 4,245,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,705 : 4,245,028 = 4,245,028 : x
2. Step 2: Convert to fraction form
   1,972,705/4,245,028 = 4,245,028/x
3. Step 3: Cross multiply
   1,972,705x = 4,245,028 × 4,245,028
4. Step 4: Simplify right side
   1,972,705x = 18,020,262,720,784
5. Step 5: Solve for x
   x = 18,020,262,720,784/1,972,705
6. Step 6: Final answer
   x = 9,134,798.52