Finding the Third Proportional to 303,786 and 666,090

Step by Step Solution

1. Step 1: Write the proportion equation
   303,786 : 666,090 = 666,090 : x
2. Step 2: Convert to fraction form
   303,786/666,090 = 666,090/x
3. Step 3: Cross multiply
   303,786x = 666,090 × 666,090
4. Step 4: Simplify right side
   303,786x = 443,675,888,100
5. Step 5: Solve for x
   x = 443,675,888,100/303,786
6. Step 6: Final answer
   x = 1,460,488.27