Finding the Third Proportional to 10,158,396 and 21,694,481

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158,396 : 21,694,481 = 21,694,481 : x
2. Step 2: Convert to fraction form
   10,158,396/21,694,481 = 21,694,481/x
3. Step 3: Cross multiply
   10,158,396x = 21,694,481 × 21,694,481
4. Step 4: Simplify right side
   10,158,396x = 470,650,505,859,361
5. Step 5: Solve for x
   x = 470,650,505,859,361/10,158,396
6. Step 6: Final answer
   x = 46,331,183.18