Finding the Third Proportional to 857,280 and 1,832,656

Step by Step Solution

1. Step 1: Write the proportion equation
   857,280 : 1,832,656 = 1,832,656 : x
2. Step 2: Convert to fraction form
   857,280/1,832,656 = 1,832,656/x
3. Step 3: Cross multiply
   857,280x = 1,832,656 × 1,832,656
4. Step 4: Simplify right side
   857,280x = 3,358,628,014,336
5. Step 5: Solve for x
   x = 3,358,628,014,336/857,280
6. Step 6: Final answer
   x = 3,917,772.51