Finding the Third Proportional to 4,958,912 and 7,662,780

Step by Step Solution

1. Step 1: Write the proportion equation
   4,958,912 : 7,662,780 = 7,662,780 : x
2. Step 2: Convert to fraction form
   4,958,912/7,662,780 = 7,662,780/x
3. Step 3: Cross multiply
   4,958,912x = 7,662,780 × 7,662,780
4. Step 4: Simplify right side
   4,958,912x = 58,718,197,328,400
5. Step 5: Solve for x
   x = 58,718,197,328,400/4,958,912
6. Step 6: Final answer
   x = 11,840,943.60