Finding the Third Proportional to 5,988,866 and 12,986,656

Step by Step Solution

1. Step 1: Write the proportion equation
   5,988,866 : 12,986,656 = 12,986,656 : x
2. Step 2: Convert to fraction form
   5,988,866/12,986,656 = 12,986,656/x
3. Step 3: Cross multiply
   5,988,866x = 12,986,656 × 12,986,656
4. Step 4: Simplify right side
   5,988,866x = 168,653,234,062,336
5. Step 5: Solve for x
   x = 168,653,234,062,336/5,988,866
6. Step 6: Final answer
   x = 28,161,130.01