Finding the Third Proportional to 10,158,430 and 21,694,546

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158,430 : 21,694,546 = 21,694,546 : x
2. Step 2: Convert to fraction form
   10,158,430/21,694,546 = 21,694,546/x
3. Step 3: Cross multiply
   10,158,430x = 21,694,546 × 21,694,546
4. Step 4: Simplify right side
   10,158,430x = 470,653,326,146,116
5. Step 5: Solve for x
   x = 470,653,326,146,116/10,158,430
6. Step 6: Final answer
   x = 46,331,305.74