Finding the Third Proportional to 4,971,612 and 7,677,206

Step by Step Solution

1. Step 1: Write the proportion equation
   4,971,612 : 7,677,206 = 7,677,206 : x
2. Step 2: Convert to fraction form
   4,971,612/7,677,206 = 7,677,206/x
3. Step 3: Cross multiply
   4,971,612x = 7,677,206 × 7,677,206
4. Step 4: Simplify right side
   4,971,612x = 58,939,491,966,436
5. Step 5: Solve for x
   x = 58,939,491,966,436/4,971,612
6. Step 6: Final answer
   x = 11,855,207.52