Finding the Third Proportional to 5,421,066 and 7,227,108

Step by Step Solution

1. Step 1: Write the proportion equation
   5,421,066 : 7,227,108 = 7,227,108 : x
2. Step 2: Convert to fraction form
   5,421,066/7,227,108 = 7,227,108/x
3. Step 3: Cross multiply
   5,421,066x = 7,227,108 × 7,227,108
4. Step 4: Simplify right side
   5,421,066x = 52,231,090,043,664
5. Step 5: Solve for x
   x = 52,231,090,043,664/5,421,066
6. Step 6: Final answer
   x = 9,634,837.51