Finding the Third Proportional to 13,761,568 and 21,862,780

Step by Step Solution

1. Step 1: Write the proportion equation
   13,761,568 : 21,862,780 = 21,862,780 : x
2. Step 2: Convert to fraction form
   13,761,568/21,862,780 = 21,862,780/x
3. Step 3: Cross multiply
   13,761,568x = 21,862,780 × 21,862,780
4. Step 4: Simplify right side
   13,761,568x = 477,981,149,328,400
5. Step 5: Solve for x
   x = 477,981,149,328,400/13,761,568
6. Step 6: Final answer
   x = 34,733,044.18