Finding the Third Proportional to 5,421,841 and 7,228,314

Step by Step Solution

1. Step 1: Write the proportion equation
   5,421,841 : 7,228,314 = 7,228,314 : x
2. Step 2: Convert to fraction form
   5,421,841/7,228,314 = 7,228,314/x
3. Step 3: Cross multiply
   5,421,841x = 7,228,314 × 7,228,314
4. Step 4: Simplify right side
   5,421,841x = 52,248,523,282,596
5. Step 5: Solve for x
   x = 52,248,523,282,596/5,421,841
6. Step 6: Final answer
   x = 9,636,675.68