Finding the Third Proportional to 5,981,340 and 13,120,692

Step by Step Solution

1. Step 1: Write the proportion equation
   5,981,340 : 13,120,692 = 13,120,692 : x
2. Step 2: Convert to fraction form
   5,981,340/13,120,692 = 13,120,692/x
3. Step 3: Cross multiply
   5,981,340x = 13,120,692 × 13,120,692
4. Step 4: Simplify right side
   5,981,340x = 172,152,558,558,864
5. Step 5: Solve for x
   x = 172,152,558,558,864/5,981,340
6. Step 6: Final answer
   x = 28,781,603.88