Finding the Third Proportional to 831,272 and 1,804,240

Step by Step Solution

1. Step 1: Write the proportion equation
   831,272 : 1,804,240 = 1,804,240 : x
2. Step 2: Convert to fraction form
   831,272/1,804,240 = 1,804,240/x
3. Step 3: Cross multiply
   831,272x = 1,804,240 × 1,804,240
4. Step 4: Simplify right side
   831,272x = 3,255,281,977,600
5. Step 5: Solve for x
   x = 3,255,281,977,600/831,272
6. Step 6: Final answer
   x = 3,916,025.05