Finding the Third Proportional to 831,364 and 1,786,280

Step by Step Solution

1. Step 1: Write the proportion equation
   831,364 : 1,786,280 = 1,786,280 : x
2. Step 2: Convert to fraction form
   831,364/1,786,280 = 1,786,280/x
3. Step 3: Cross multiply
   831,364x = 1,786,280 × 1,786,280
4. Step 4: Simplify right side
   831,364x = 3,190,796,238,400
5. Step 5: Solve for x
   x = 3,190,796,238,400/831,364
6. Step 6: Final answer
   x = 3,838,025.51