Finding the Third Proportional to 1,780,336 and 3,958,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,336 : 3,958,712 = 3,958,712 : x
2. Step 2: Convert to fraction form
   1,780,336/3,958,712 = 3,958,712/x
3. Step 3: Cross multiply
   1,780,336x = 3,958,712 × 3,958,712
4. Step 4: Simplify right side
   1,780,336x = 15,671,400,698,944
5. Step 5: Solve for x
   x = 15,671,400,698,944/1,780,336
6. Step 6: Final answer
   x = 8,802,496.10