Finding the Third Proportional to 11,137,538 and 17,722,155

Step by Step Solution

1. Step 1: Write the proportion equation
   11,137,538 : 17,722,155 = 17,722,155 : x
2. Step 2: Convert to fraction form
   11,137,538/17,722,155 = 17,722,155/x
3. Step 3: Cross multiply
   11,137,538x = 17,722,155 × 17,722,155
4. Step 4: Simplify right side
   11,137,538x = 314,074,777,844,025
5. Step 5: Solve for x
   x = 314,074,777,844,025/11,137,538
6. Step 6: Final answer
   x = 28,199,659.37