Finding the Third Proportional to 2,647,140 and 5,612,134

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,140 : 5,612,134 = 5,612,134 : x
2. Step 2: Convert to fraction form
   2,647,140/5,612,134 = 5,612,134/x
3. Step 3: Cross multiply
   2,647,140x = 5,612,134 × 5,612,134
4. Step 4: Simplify right side
   2,647,140x = 31,496,048,033,956
5. Step 5: Solve for x
   x = 31,496,048,033,956/2,647,140
6. Step 6: Final answer
   x = 11,898,142.16