Finding the Third Proportional to 3,929,786 and 6,248,968

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929,786 : 6,248,968 = 6,248,968 : x
2. Step 2: Convert to fraction form
   3,929,786/6,248,968 = 6,248,968/x
3. Step 3: Cross multiply
   3,929,786x = 6,248,968 × 6,248,968
4. Step 4: Simplify right side
   3,929,786x = 39,049,601,065,024
5. Step 5: Solve for x
   x = 39,049,601,065,024/3,929,786
6. Step 6: Final answer
   x = 9,936,826.35