Finding the Third Proportional to 118,599.75 and 260,271

Step by Step Solution

1. Step 1: Write the proportion equation
   118,599.75 : 260,271 = 260,271 : x
2. Step 2: Convert to fraction form
   118,599.75/260,271 = 260,271/x
3. Step 3: Cross multiply
   118,599.75x = 260,271 × 260,271
4. Step 4: Simplify right side
   118,599.75x = 67,740,993,441
5. Step 5: Solve for x
   x = 67,740,993,441/118,599.75
6. Step 6: Final answer
   x = 571,173.16