Finding the Third Proportional to 831,560 and 1,254,856

Step by Step Solution

1. Step 1: Write the proportion equation
   831,560 : 1,254,856 = 1,254,856 : x
2. Step 2: Convert to fraction form
   831,560/1,254,856 = 1,254,856/x
3. Step 3: Cross multiply
   831,560x = 1,254,856 × 1,254,856
4. Step 4: Simplify right side
   831,560x = 1,574,663,580,736
5. Step 5: Solve for x
   x = 1,574,663,580,736/831,560
6. Step 6: Final answer
   x = 1,893,625.93