Finding the Third Proportional to 31,093,972 and 64,179,556

Step by Step Solution

1. Step 1: Write the proportion equation
   31,093,972 : 64,179,556 = 64,179,556 : x
2. Step 2: Convert to fraction form
   31,093,972/64,179,556 = 64,179,556/x
3. Step 3: Cross multiply
   31,093,972x = 64,179,556 × 64,179,556
4. Step 4: Simplify right side
   31,093,972x = 4,119,015,408,357,136
5. Step 5: Solve for x
   x = 4,119,015,408,357,136/31,093,972
6. Step 6: Final answer
   x = 132,469,901.51