Finding the Third Proportional to 11,156,742 and 17,227,215

Step by Step Solution

1. Step 1: Write the proportion equation
   11,156,742 : 17,227,215 = 17,227,215 : x
2. Step 2: Convert to fraction form
   11,156,742/17,227,215 = 17,227,215/x
3. Step 3: Cross multiply
   11,156,742x = 17,227,215 × 17,227,215
4. Step 4: Simplify right side
   11,156,742x = 296,776,936,656,225
5. Step 5: Solve for x
   x = 296,776,936,656,225/11,156,742
6. Step 6: Final answer
   x = 26,600,681.15