Finding the Third Proportional to 694,872 and 1,509,300

Step by Step Solution

1. Step 1: Write the proportion equation
   694,872 : 1,509,300 = 1,509,300 : x
2. Step 2: Convert to fraction form
   694,872/1,509,300 = 1,509,300/x
3. Step 3: Cross multiply
   694,872x = 1,509,300 × 1,509,300
4. Step 4: Simplify right side
   694,872x = 2,277,986,490,000
5. Step 5: Solve for x
   x = 2,277,986,490,000/694,872
6. Step 6: Final answer
   x = 3,278,282.17