Finding the Third Proportional to 400,253.50 and 619,084

Step by Step Solution

1. Step 1: Write the proportion equation
   400,253.50 : 619,084 = 619,084 : x
2. Step 2: Convert to fraction form
   400,253.50/619,084 = 619,084/x
3. Step 3: Cross multiply
   400,253.50x = 619,084 × 619,084
4. Step 4: Simplify right side
   400,253.50x = 383,264,999,056
5. Step 5: Solve for x
   x = 383,264,999,056/400,253.50
6. Step 6: Final answer
   x = 957,555.65