Finding the Third Proportional to 1,992,540 and 4,126,860

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,540 : 4,126,860 = 4,126,860 : x
2. Step 2: Convert to fraction form
   1,992,540/4,126,860 = 4,126,860/x
3. Step 3: Cross multiply
   1,992,540x = 4,126,860 × 4,126,860
4. Step 4: Simplify right side
   1,992,540x = 17,030,973,459,600
5. Step 5: Solve for x
   x = 17,030,973,459,600/1,992,540
6. Step 6: Final answer
   x = 8,547,368.41