Finding the Third Proportional to 878,121 and 1,825,128

Step by Step Solution

1. Step 1: Write the proportion equation
   878,121 : 1,825,128 = 1,825,128 : x
2. Step 2: Convert to fraction form
   878,121/1,825,128 = 1,825,128/x
3. Step 3: Cross multiply
   878,121x = 1,825,128 × 1,825,128
4. Step 4: Simplify right side
   878,121x = 3,331,092,216,384
5. Step 5: Solve for x
   x = 3,331,092,216,384/878,121
6. Step 6: Final answer
   x = 3,793,431.90