Finding the Third Proportional to 11,157,318 and 17,240,898

Step by Step Solution

1. Step 1: Write the proportion equation
   11,157,318 : 17,240,898 = 17,240,898 : x
2. Step 2: Convert to fraction form
   11,157,318/17,240,898 = 17,240,898/x
3. Step 3: Cross multiply
   11,157,318x = 17,240,898 × 17,240,898
4. Step 4: Simplify right side
   11,157,318x = 297,248,563,846,404
5. Step 5: Solve for x
   x = 297,248,563,846,404/11,157,318
6. Step 6: Final answer
   x = 26,641,578.54