Finding the Third Proportional to 642,849.75 and 1,368,942

Step by Step Solution

1. Step 1: Write the proportion equation
   642,849.75 : 1,368,942 = 1,368,942 : x
2. Step 2: Convert to fraction form
   642,849.75/1,368,942 = 1,368,942/x
3. Step 3: Cross multiply
   642,849.75x = 1,368,942 × 1,368,942
4. Step 4: Simplify right side
   642,849.75x = 1,874,002,199,364
5. Step 5: Solve for x
   x = 1,874,002,199,364/642,849.75
6. Step 6: Final answer
   x = 2,915,148.06