Finding the Third Proportional to 138,560.50 and 296,075

Step by Step Solution

1. Step 1: Write the proportion equation
   138,560.50 : 296,075 = 296,075 : x
2. Step 2: Convert to fraction form
   138,560.50/296,075 = 296,075/x
3. Step 3: Cross multiply
   138,560.50x = 296,075 × 296,075
4. Step 4: Simplify right side
   138,560.50x = 87,660,405,625
5. Step 5: Solve for x
   x = 87,660,405,625/138,560.50
6. Step 6: Final answer
   x = 632,650.76