Finding the Third Proportional to 869,904 and 1,910,880

Step by Step Solution

1. Step 1: Write the proportion equation
   869,904 : 1,910,880 = 1,910,880 : x
2. Step 2: Convert to fraction form
   869,904/1,910,880 = 1,910,880/x
3. Step 3: Cross multiply
   869,904x = 1,910,880 × 1,910,880
4. Step 4: Simplify right side
   869,904x = 3,651,462,374,400
5. Step 5: Solve for x
   x = 3,651,462,374,400/869,904
6. Step 6: Final answer
   x = 4,197,546.37