Finding the Third Proportional to 8,111,340 and 12,555,324

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111,340 : 12,555,324 = 12,555,324 : x
2. Step 2: Convert to fraction form
   8,111,340/12,555,324 = 12,555,324/x
3. Step 3: Cross multiply
   8,111,340x = 12,555,324 × 12,555,324
4. Step 4: Simplify right side
   8,111,340x = 157,636,160,744,976
5. Step 5: Solve for x
   x = 157,636,160,744,976/8,111,340
6. Step 6: Final answer
   x = 19,434,046.75