Finding the Third Proportional to 427,345.50 and 911,895

Step by Step Solution

1. Step 1: Write the proportion equation
   427,345.50 : 911,895 = 911,895 : x
2. Step 2: Convert to fraction form
   427,345.50/911,895 = 911,895/x
3. Step 3: Cross multiply
   427,345.50x = 911,895 × 911,895
4. Step 4: Simplify right side
   427,345.50x = 831,552,491,025
5. Step 5: Solve for x
   x = 831,552,491,025/427,345.50
6. Step 6: Final answer
   x = 1,945,855.26