Finding the Third Proportional to 10,158,380 and 21,694,450

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158,380 : 21,694,450 = 21,694,450 : x
2. Step 2: Convert to fraction form
   10,158,380/21,694,450 = 21,694,450/x
3. Step 3: Cross multiply
   10,158,380x = 21,694,450 × 21,694,450
4. Step 4: Simplify right side
   10,158,380x = 470,649,160,802,500
5. Step 5: Solve for x
   x = 470,649,160,802,500/10,158,380
6. Step 6: Final answer
   x = 46,331,123.74