Finding the Third Proportional to 1,905,219 and 4,109,580

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905,219 : 4,109,580 = 4,109,580 : x
2. Step 2: Convert to fraction form
   1,905,219/4,109,580 = 4,109,580/x
3. Step 3: Cross multiply
   1,905,219x = 4,109,580 × 4,109,580
4. Step 4: Simplify right side
   1,905,219x = 16,888,647,776,400
5. Step 5: Solve for x
   x = 16,888,647,776,400/1,905,219
6. Step 6: Final answer
   x = 8,864,412.85