Finding the Third Proportional to 831,357 and 1,776,438

Step by Step Solution

1. Step 1: Write the proportion equation
   831,357 : 1,776,438 = 1,776,438 : x
2. Step 2: Convert to fraction form
   831,357/1,776,438 = 1,776,438/x
3. Step 3: Cross multiply
   831,357x = 1,776,438 × 1,776,438
4. Step 4: Simplify right side
   831,357x = 3,155,731,967,844
5. Step 5: Solve for x
   x = 3,155,731,967,844/831,357
6. Step 6: Final answer
   x = 3,795,880.67