Finding the Third Proportional to 882,640 and 1,905,216

Step by Step Solution

1. Step 1: Write the proportion equation
   882,640 : 1,905,216 = 1,905,216 : x
2. Step 2: Convert to fraction form
   882,640/1,905,216 = 1,905,216/x
3. Step 3: Cross multiply
   882,640x = 1,905,216 × 1,905,216
4. Step 4: Simplify right side
   882,640x = 3,629,848,006,656
5. Step 5: Solve for x
   x = 3,629,848,006,656/882,640
6. Step 6: Final answer
   x = 4,112,489.81