Finding the Third Proportional to 1,521,464 and 3,212,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,464 : 3,212,712 = 3,212,712 : x
2. Step 2: Convert to fraction form
   1,521,464/3,212,712 = 3,212,712/x
3. Step 3: Cross multiply
   1,521,464x = 3,212,712 × 3,212,712
4. Step 4: Simplify right side
   1,521,464x = 10,321,518,394,944
5. Step 5: Solve for x
   x = 10,321,518,394,944/1,521,464
6. Step 6: Final answer
   x = 6,783,938.62