Finding the Third Proportional to 7,971,002 and 12,689,554

Step by Step Solution

1. Step 1: Write the proportion equation
   7,971,002 : 12,689,554 = 12,689,554 : x
2. Step 2: Convert to fraction form
   7,971,002/12,689,554 = 12,689,554/x
3. Step 3: Cross multiply
   7,971,002x = 12,689,554 × 12,689,554
4. Step 4: Simplify right side
   7,971,002x = 161,024,780,718,916
5. Step 5: Solve for x
   x = 161,024,780,718,916/7,971,002
6. Step 6: Final answer
   x = 20,201,322.33