Finding the Third Proportional to 260,769 and 545,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,769 : 545,716.50 = 545,716.50 : x
2. Step 2: Convert to fraction form
   260,769/545,716.50 = 545,716.50/x
3. Step 3: Cross multiply
   260,769x = 545,716.50 × 545,716.50
4. Step 4: Simplify right side
   260,769x = 297,806,498,372.25
5. Step 5: Solve for x
   x = 297,806,498,372.25/260,769
6. Step 6: Final answer
   x = 1,142,031.83