Finding the Third Proportional to 619,310.50 and 957,146

Step by Step Solution

1. Step 1: Write the proportion equation
   619,310.50 : 957,146 = 957,146 : x
2. Step 2: Convert to fraction form
   619,310.50/957,146 = 957,146/x
3. Step 3: Cross multiply
   619,310.50x = 957,146 × 957,146
4. Step 4: Simplify right side
   619,310.50x = 916,128,465,316
5. Step 5: Solve for x
   x = 916,128,465,316/619,310.50
6. Step 6: Final answer
   x = 1,479,271.65