Finding the Third Proportional to 4,885,812 and 7,182,756

Step by Step Solution

1. Step 1: Write the proportion equation
   4,885,812 : 7,182,756 = 7,182,756 : x
2. Step 2: Convert to fraction form
   4,885,812/7,182,756 = 7,182,756/x
3. Step 3: Cross multiply
   4,885,812x = 7,182,756 × 7,182,756
4. Step 4: Simplify right side
   4,885,812x = 51,591,983,755,536
5. Step 5: Solve for x
   x = 51,591,983,755,536/4,885,812
6. Step 6: Final answer
   x = 10,559,551.57