Finding the Third Proportional to 4,108,538 and 9,161,212

Step by Step Solution

1. Step 1: Write the proportion equation
   4,108,538 : 9,161,212 = 9,161,212 : x
2. Step 2: Convert to fraction form
   4,108,538/9,161,212 = 9,161,212/x
3. Step 3: Cross multiply
   4,108,538x = 9,161,212 × 9,161,212
4. Step 4: Simplify right side
   4,108,538x = 83,927,805,308,944
5. Step 5: Solve for x
   x = 83,927,805,308,944/4,108,538
6. Step 6: Final answer
   x = 20,427,657.07