Finding the Third Proportional to 602,538 and 1,285,140

Step by Step Solution

1. Step 1: Write the proportion equation
   602,538 : 1,285,140 = 1,285,140 : x
2. Step 2: Convert to fraction form
   602,538/1,285,140 = 1,285,140/x
3. Step 3: Cross multiply
   602,538x = 1,285,140 × 1,285,140
4. Step 4: Simplify right side
   602,538x = 1,651,584,819,600
5. Step 5: Solve for x
   x = 1,651,584,819,600/602,538
6. Step 6: Final answer
   x = 2,741,046.74