Finding the Third Proportional to 4,971,588 and 7,677,171

Step by Step Solution

1. Step 1: Write the proportion equation
   4,971,588 : 7,677,171 = 7,677,171 : x
2. Step 2: Convert to fraction form
   4,971,588/7,677,171 = 7,677,171/x
3. Step 3: Cross multiply
   4,971,588x = 7,677,171 × 7,677,171
4. Step 4: Simplify right side
   4,971,588x = 58,938,954,563,241
5. Step 5: Solve for x
   x = 58,938,954,563,241/4,971,588
6. Step 6: Final answer
   x = 11,855,156.65