Finding the Third Proportional to 5,419,143 and 7,979,013

Step by Step Solution

1. Step 1: Write the proportion equation
   5,419,143 : 7,979,013 = 7,979,013 : x
2. Step 2: Convert to fraction form
   5,419,143/7,979,013 = 7,979,013/x
3. Step 3: Cross multiply
   5,419,143x = 7,979,013 × 7,979,013
4. Step 4: Simplify right side
   5,419,143x = 63,664,648,454,169
5. Step 5: Solve for x
   x = 63,664,648,454,169/5,419,143
6. Step 6: Final answer
   x = 11,748,102.69