Finding the Third Proportional to 2,028,218 and 3,117,789

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028,218 : 3,117,789 = 3,117,789 : x
2. Step 2: Convert to fraction form
   2,028,218/3,117,789 = 3,117,789/x
3. Step 3: Cross multiply
   2,028,218x = 3,117,789 × 3,117,789
4. Step 4: Simplify right side
   2,028,218x = 9,720,608,248,521
5. Step 5: Solve for x
   x = 9,720,608,248,521/2,028,218
6. Step 6: Final answer
   x = 4,792,684.14