Finding the Third Proportional to 5,143,129 and 7,005,182

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143,129 : 7,005,182 = 7,005,182 : x
2. Step 2: Convert to fraction form
   5,143,129/7,005,182 = 7,005,182/x
3. Step 3: Cross multiply
   5,143,129x = 7,005,182 × 7,005,182
4. Step 4: Simplify right side
   5,143,129x = 49,072,574,853,124
5. Step 5: Solve for x
   x = 49,072,574,853,124/5,143,129
6. Step 6: Final answer
   x = 9,541,385.19