Finding the Third Proportional to 111,771 and 260,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,771 : 260,851.50 = 260,851.50 : x
2. Step 2: Convert to fraction form
   111,771/260,851.50 = 260,851.50/x
3. Step 3: Cross multiply
   111,771x = 260,851.50 × 260,851.50
4. Step 4: Simplify right side
   111,771x = 68,043,505,052.25
5. Step 5: Solve for x
   x = 68,043,505,052.25/111,771
6. Step 6: Final answer
   x = 608,776.02