Finding the Third Proportional to 602,144 and 1,300,288

Step by Step Solution

1. Step 1: Write the proportion equation
   602,144 : 1,300,288 = 1,300,288 : x
2. Step 2: Convert to fraction form
   602,144/1,300,288 = 1,300,288/x
3. Step 3: Cross multiply
   602,144x = 1,300,288 × 1,300,288
4. Step 4: Simplify right side
   602,144x = 1,690,748,882,944
5. Step 5: Solve for x
   x = 1,690,748,882,944/602,144
6. Step 6: Final answer
   x = 2,807,881.31