Finding the Third Proportional to 584,172 and 1,212,732

Step by Step Solution

1. Step 1: Write the proportion equation
   584,172 : 1,212,732 = 1,212,732 : x
2. Step 2: Convert to fraction form
   584,172/1,212,732 = 1,212,732/x
3. Step 3: Cross multiply
   584,172x = 1,212,732 × 1,212,732
4. Step 4: Simplify right side
   584,172x = 1,470,718,903,824
5. Step 5: Solve for x
   x = 1,470,718,903,824/584,172
6. Step 6: Final answer
   x = 2,517,612.80