Finding the Third Proportional to 4,826,986 and 7,156,987

Step by Step Solution

1. Step 1: Write the proportion equation
   4,826,986 : 7,156,987 = 7,156,987 : x
2. Step 2: Convert to fraction form
   4,826,986/7,156,987 = 7,156,987/x
3. Step 3: Cross multiply
   4,826,986x = 7,156,987 × 7,156,987
4. Step 4: Simplify right side
   4,826,986x = 51,222,462,918,169
5. Step 5: Solve for x
   x = 51,222,462,918,169/4,826,986
6. Step 6: Final answer
   x = 10,611,686.65