Finding the Third Proportional to 647,834 and 1,337,164

Step by Step Solution

1. Step 1: Write the proportion equation
   647,834 : 1,337,164 = 1,337,164 : x
2. Step 2: Convert to fraction form
   647,834/1,337,164 = 1,337,164/x
3. Step 3: Cross multiply
   647,834x = 1,337,164 × 1,337,164
4. Step 4: Simplify right side
   647,834x = 1,788,007,562,896
5. Step 5: Solve for x
   x = 1,788,007,562,896/647,834
6. Step 6: Final answer
   x = 2,759,977.96