Finding the Third Proportional to 4,973,642 and 7,908,856

Step by Step Solution

1. Step 1: Write the proportion equation
   4,973,642 : 7,908,856 = 7,908,856 : x
2. Step 2: Convert to fraction form
   4,973,642/7,908,856 = 7,908,856/x
3. Step 3: Cross multiply
   4,973,642x = 7,908,856 × 7,908,856
4. Step 4: Simplify right side
   4,973,642x = 62,550,003,228,736
5. Step 5: Solve for x
   x = 62,550,003,228,736/4,973,642
6. Step 6: Final answer
   x = 12,576,297.86