Finding the Third Proportional to 1,521,468 and 3,212,700

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,468 : 3,212,700 = 3,212,700 : x
2. Step 2: Convert to fraction form
   1,521,468/3,212,700 = 3,212,700/x
3. Step 3: Cross multiply
   1,521,468x = 3,212,700 × 3,212,700
4. Step 4: Simplify right side
   1,521,468x = 10,321,441,290,000
5. Step 5: Solve for x
   x = 10,321,441,290,000/1,521,468
6. Step 6: Final answer
   x = 6,783,870.11