Finding the Third Proportional to 5,981,354 and 13,158,420

Step by Step Solution

1. Step 1: Write the proportion equation
   5,981,354 : 13,158,420 = 13,158,420 : x
2. Step 2: Convert to fraction form
   5,981,354/13,158,420 = 13,158,420/x
3. Step 3: Cross multiply
   5,981,354x = 13,158,420 × 13,158,420
4. Step 4: Simplify right side
   5,981,354x = 173,144,016,896,400
5. Step 5: Solve for x
   x = 173,144,016,896,400/5,981,354
6. Step 6: Final answer
   x = 28,947,294.69