Finding the Third Proportional to 939,216 and 1,831,392

Step by Step Solution

1. Step 1: Write the proportion equation
   939,216 : 1,831,392 = 1,831,392 : x
2. Step 2: Convert to fraction form
   939,216/1,831,392 = 1,831,392/x
3. Step 3: Cross multiply
   939,216x = 1,831,392 × 1,831,392
4. Step 4: Simplify right side
   939,216x = 3,353,996,657,664
5. Step 5: Solve for x
   x = 3,353,996,657,664/939,216
6. Step 6: Final answer
   x = 3,571,059.97