Finding the Third Proportional to 2,900,640 and 6,147,056

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900,640 : 6,147,056 = 6,147,056 : x
2. Step 2: Convert to fraction form
   2,900,640/6,147,056 = 6,147,056/x
3. Step 3: Cross multiply
   2,900,640x = 6,147,056 × 6,147,056
4. Step 4: Simplify right side
   2,900,640x = 37,786,297,467,136
5. Step 5: Solve for x
   x = 37,786,297,467,136/2,900,640
6. Step 6: Final answer
   x = 13,026,882.85