Finding the Third Proportional to 302,299.50 and 659,862

Step by Step Solution

1. Step 1: Write the proportion equation
   302,299.50 : 659,862 = 659,862 : x
2. Step 2: Convert to fraction form
   302,299.50/659,862 = 659,862/x
3. Step 3: Cross multiply
   302,299.50x = 659,862 × 659,862
4. Step 4: Simplify right side
   302,299.50x = 435,417,859,044
5. Step 5: Solve for x
   x = 435,417,859,044/302,299.50
6. Step 6: Final answer
   x = 1,440,352.56