Finding the Third Proportional to 5,218,495 and 7,962,716

Step by Step Solution

1. Step 1: Write the proportion equation
   5,218,495 : 7,962,716 = 7,962,716 : x
2. Step 2: Convert to fraction form
   5,218,495/7,962,716 = 7,962,716/x
3. Step 3: Cross multiply
   5,218,495x = 7,962,716 × 7,962,716
4. Step 4: Simplify right side
   5,218,495x = 63,404,846,096,656
5. Step 5: Solve for x
   x = 63,404,846,096,656/5,218,495
6. Step 6: Final answer
   x = 12,150,025.27