Finding the Third Proportional to 5,421,148 and 7,227,236

Step by Step Solution

1. Step 1: Write the proportion equation
   5,421,148 : 7,227,236 = 7,227,236 : x
2. Step 2: Convert to fraction form
   5,421,148/7,227,236 = 7,227,236/x
3. Step 3: Cross multiply
   5,421,148x = 7,227,236 × 7,227,236
4. Step 4: Simplify right side
   5,421,148x = 52,232,940,199,696
5. Step 5: Solve for x
   x = 52,232,940,199,696/5,421,148
6. Step 6: Final answer
   x = 9,635,033.06