Finding the Third Proportional to 138,762 and 303,205.50

Step by Step Solution

1. Step 1: Write the proportion equation
   138,762 : 303,205.50 = 303,205.50 : x
2. Step 2: Convert to fraction form
   138,762/303,205.50 = 303,205.50/x
3. Step 3: Cross multiply
   138,762x = 303,205.50 × 303,205.50
4. Step 4: Simplify right side
   138,762x = 91,933,575,230.25
5. Step 5: Solve for x
   x = 91,933,575,230.25/138,762
6. Step 6: Final answer
   x = 662,527.03