Finding the Third Proportional to 1,849,116 and 3,978,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,849,116 : 3,978,168 = 3,978,168 : x
2. Step 2: Convert to fraction form
   1,849,116/3,978,168 = 3,978,168/x
3. Step 3: Cross multiply
   1,849,116x = 3,978,168 × 3,978,168
4. Step 4: Simplify right side
   1,849,116x = 15,825,820,636,224
5. Step 5: Solve for x
   x = 15,825,820,636,224/1,849,116
6. Step 6: Final answer
   x = 8,558,587.26