Finding the Third Proportional to 1,839,186 and 4,009,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839,186 : 4,009,392 = 4,009,392 : x
2. Step 2: Convert to fraction form
   1,839,186/4,009,392 = 4,009,392/x
3. Step 3: Cross multiply
   1,839,186x = 4,009,392 × 4,009,392
4. Step 4: Simplify right side
   1,839,186x = 16,075,224,209,664
5. Step 5: Solve for x
   x = 16,075,224,209,664/1,839,186
6. Step 6: Final answer
   x = 8,740,401.57