Finding the Third Proportional to 4,971,616 and 7,677,212

Step by Step Solution

1. Step 1: Write the proportion equation
   4,971,616 : 7,677,212 = 7,677,212 : x
2. Step 2: Convert to fraction form
   4,971,616/7,677,212 = 7,677,212/x
3. Step 3: Cross multiply
   4,971,616x = 7,677,212 × 7,677,212
4. Step 4: Simplify right side
   4,971,616x = 58,939,584,092,944
5. Step 5: Solve for x
   x = 58,939,584,092,944/4,971,616
6. Step 6: Final answer
   x = 11,855,216.51