Finding the Third Proportional to 407,893.50 and 897,345

Step by Step Solution

1. Step 1: Write the proportion equation
   407,893.50 : 897,345 = 897,345 : x
2. Step 2: Convert to fraction form
   407,893.50/897,345 = 897,345/x
3. Step 3: Cross multiply
   407,893.50x = 897,345 × 897,345
4. Step 4: Simplify right side
   407,893.50x = 805,228,049,025
5. Step 5: Solve for x
   x = 805,228,049,025/407,893.50
6. Step 6: Final answer
   x = 1,974,113.46