Finding the Third Proportional to 619,318.50 and 957,156

Step by Step Solution

1. Step 1: Write the proportion equation
   619,318.50 : 957,156 = 957,156 : x
2. Step 2: Convert to fraction form
   619,318.50/957,156 = 957,156/x
3. Step 3: Cross multiply
   619,318.50x = 957,156 × 957,156
4. Step 4: Simplify right side
   619,318.50x = 916,147,608,336
5. Step 5: Solve for x
   x = 916,147,608,336/619,318.50
6. Step 6: Final answer
   x = 1,479,283.45