Finding the Third Proportional to 619,761 and 957,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   619,761 : 957,667.50 = 957,667.50 : x
2. Step 2: Convert to fraction form
   619,761/957,667.50 = 957,667.50/x
3. Step 3: Cross multiply
   619,761x = 957,667.50 × 957,667.50
4. Step 4: Simplify right side
   619,761x = 917,127,040,556.25
5. Step 5: Solve for x
   x = 917,127,040,556.25/619,761
6. Step 6: Final answer
   x = 1,479,807.60