Finding the Third Proportional to 5,421,492 and 7,227,662

Step by Step Solution

1. Step 1: Write the proportion equation
   5,421,492 : 7,227,662 = 7,227,662 : x
2. Step 2: Convert to fraction form
   5,421,492/7,227,662 = 7,227,662/x
3. Step 3: Cross multiply
   5,421,492x = 7,227,662 × 7,227,662
4. Step 4: Simplify right side
   5,421,492x = 52,239,097,986,244
5. Step 5: Solve for x
   x = 52,239,097,986,244/5,421,492
6. Step 6: Final answer
   x = 9,635,557.52