Finding the Third Proportional to 11,156,738 and 17,227,209

Step by Step Solution

1. Step 1: Write the proportion equation
   11,156,738 : 17,227,209 = 17,227,209 : x
2. Step 2: Convert to fraction form
   11,156,738/17,227,209 = 17,227,209/x
3. Step 3: Cross multiply
   11,156,738x = 17,227,209 × 17,227,209
4. Step 4: Simplify right side
   11,156,738x = 296,776,729,929,681
5. Step 5: Solve for x
   x = 296,776,729,929,681/11,156,738
6. Step 6: Final answer
   x = 26,600,672.16