Finding the Third Proportional to 647,500 and 1,320,692

Step by Step Solution

1. Step 1: Write the proportion equation
   647,500 : 1,320,692 = 1,320,692 : x
2. Step 2: Convert to fraction form
   647,500/1,320,692 = 1,320,692/x
3. Step 3: Cross multiply
   647,500x = 1,320,692 × 1,320,692
4. Step 4: Simplify right side
   647,500x = 1,744,227,358,864
5. Step 5: Solve for x
   x = 1,744,227,358,864/647,500
6. Step 6: Final answer
   x = 2,693,787.43