Finding the Third Proportional to 531,666 and 1,166,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   531,666 : 1,166,674.50 = 1,166,674.50 : x
2. Step 2: Convert to fraction form
   531,666/1,166,674.50 = 1,166,674.50/x
3. Step 3: Cross multiply
   531,666x = 1,166,674.50 × 1,166,674.50
4. Step 4: Simplify right side
   531,666x = 1,361,129,388,950.25
5. Step 5: Solve for x
   x = 1,361,129,388,950.25/531,666
6. Step 6: Final answer
   x = 2,560,121.18