Finding the Third Proportional to 5,421,120 and 7,227,184

Step by Step Solution

1. Step 1: Write the proportion equation
   5,421,120 : 7,227,184 = 7,227,184 : x
2. Step 2: Convert to fraction form
   5,421,120/7,227,184 = 7,227,184/x
3. Step 3: Cross multiply
   5,421,120x = 7,227,184 × 7,227,184
4. Step 4: Simplify right side
   5,421,120x = 52,232,188,569,856
5. Step 5: Solve for x
   x = 52,232,188,569,856/5,421,120
6. Step 6: Final answer
   x = 9,634,944.18