Finding the Third Proportional to 665,806.50 and 942,102

Step by Step Solution

1. Step 1: Write the proportion equation
   665,806.50 : 942,102 = 942,102 : x
2. Step 2: Convert to fraction form
   665,806.50/942,102 = 942,102/x
3. Step 3: Cross multiply
   665,806.50x = 942,102 × 942,102
4. Step 4: Simplify right side
   665,806.50x = 887,556,178,404
5. Step 5: Solve for x
   x = 887,556,178,404/665,806.50
6. Step 6: Final answer
   x = 1,333,054.24