Finding the Third Proportional to 5,142,951 and 7,689,195

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142,951 : 7,689,195 = 7,689,195 : x
2. Step 2: Convert to fraction form
   5,142,951/7,689,195 = 7,689,195/x
3. Step 3: Cross multiply
   5,142,951x = 7,689,195 × 7,689,195
4. Step 4: Simplify right side
   5,142,951x = 59,123,719,748,025
5. Step 5: Solve for x
   x = 59,123,719,748,025/5,142,951
6. Step 6: Final answer
   x = 11,496,069.04