Finding the Third Proportional to 2,212,272 and 4,727,808

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,272 : 4,727,808 = 4,727,808 : x
2. Step 2: Convert to fraction form
   2,212,272/4,727,808 = 4,727,808/x
3. Step 3: Cross multiply
   2,212,272x = 4,727,808 × 4,727,808
4. Step 4: Simplify right side
   2,212,272x = 22,352,168,484,864
5. Step 5: Solve for x
   x = 22,352,168,484,864/2,212,272
6. Step 6: Final answer
   x = 10,103,716.22