Finding the Third Proportional to 585,218 and 1,257,732

Step by Step Solution

1. Step 1: Write the proportion equation
   585,218 : 1,257,732 = 1,257,732 : x
2. Step 2: Convert to fraction form
   585,218/1,257,732 = 1,257,732/x
3. Step 3: Cross multiply
   585,218x = 1,257,732 × 1,257,732
4. Step 4: Simplify right side
   585,218x = 1,581,889,783,824
5. Step 5: Solve for x
   x = 1,581,889,783,824/585,218
6. Step 6: Final answer
   x = 2,703,077.80