Finding the Third Proportional to 10,158,425 and 21,694,538

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158,425 : 21,694,538 = 21,694,538 : x
2. Step 2: Convert to fraction form
   10,158,425/21,694,538 = 21,694,538/x
3. Step 3: Cross multiply
   10,158,425x = 21,694,538 × 21,694,538
4. Step 4: Simplify right side
   10,158,425x = 470,652,979,033,444
5. Step 5: Solve for x
   x = 470,652,979,033,444/10,158,425
6. Step 6: Final answer
   x = 46,331,294.37