Finding the Third Proportional to 5,143,134 and 7,005,189

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143,134 : 7,005,189 = 7,005,189 : x
2. Step 2: Convert to fraction form
   5,143,134/7,005,189 = 7,005,189/x
3. Step 3: Cross multiply
   5,143,134x = 7,005,189 × 7,005,189
4. Step 4: Simplify right side
   5,143,134x = 49,072,672,925,721
5. Step 5: Solve for x
   x = 49,072,672,925,721/5,143,134
6. Step 6: Final answer
   x = 9,541,394.98