Finding the Third Proportional to 619,310.81 and 957,150

Step by Step Solution

1. Step 1: Write the proportion equation
   619,310.81 : 957,150 = 957,150 : x
2. Step 2: Convert to fraction form
   619,310.81/957,150 = 957,150/x
3. Step 3: Cross multiply
   619,310.81x = 957,150 × 957,150
4. Step 4: Simplify right side
   619,310.81x = 916,136,122,500
5. Step 5: Solve for x
   x = 916,136,122,500/619,310.81
6. Step 6: Final answer
   x = 1,479,283.27