Finding the Third Proportional to 485,292 and 1,054,413

Step by Step Solution

1. Step 1: Write the proportion equation
   485,292 : 1,054,413 = 1,054,413 : x
2. Step 2: Convert to fraction form
   485,292/1,054,413 = 1,054,413/x
3. Step 3: Cross multiply
   485,292x = 1,054,413 × 1,054,413
4. Step 4: Simplify right side
   485,292x = 1,111,786,774,569
5. Step 5: Solve for x
   x = 1,111,786,774,569/485,292
6. Step 6: Final answer
   x = 2,290,964.56