Finding the Third Proportional to 4,525,275 and 9,758,658

Step by Step Solution

1. Step 1: Write the proportion equation
   4,525,275 : 9,758,658 = 9,758,658 : x
2. Step 2: Convert to fraction form
   4,525,275/9,758,658 = 9,758,658/x
3. Step 3: Cross multiply
   4,525,275x = 9,758,658 × 9,758,658
4. Step 4: Simplify right side
   4,525,275x = 95,231,405,960,964
5. Step 5: Solve for x
   x = 95,231,405,960,964/4,525,275
6. Step 6: Final answer
   x = 21,044,335.64