Finding the Third Proportional to 602,831 and 1,300,309

Step by Step Solution

1. Step 1: Write the proportion equation
   602,831 : 1,300,309 = 1,300,309 : x
2. Step 2: Convert to fraction form
   602,831/1,300,309 = 1,300,309/x
3. Step 3: Cross multiply
   602,831x = 1,300,309 × 1,300,309
4. Step 4: Simplify right side
   602,831x = 1,690,803,495,481
5. Step 5: Solve for x
   x = 1,690,803,495,481/602,831
6. Step 6: Final answer
   x = 2,804,771.98