Finding the Third Proportional to 4,046,964 and 8,670,842

Step by Step Solution

1. Step 1: Write the proportion equation
   4,046,964 : 8,670,842 = 8,670,842 : x
2. Step 2: Convert to fraction form
   4,046,964/8,670,842 = 8,670,842/x
3. Step 3: Cross multiply
   4,046,964x = 8,670,842 × 8,670,842
4. Step 4: Simplify right side
   4,046,964x = 75,183,500,988,964
5. Step 5: Solve for x
   x = 75,183,500,988,964/4,046,964
6. Step 6: Final answer
   x = 18,577,753.84