Finding the Third Proportional to 266,682 and 577,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   266,682 : 577,630.50 = 577,630.50 : x
2. Step 2: Convert to fraction form
   266,682/577,630.50 = 577,630.50/x
3. Step 3: Cross multiply
   266,682x = 577,630.50 × 577,630.50
4. Step 4: Simplify right side
   266,682x = 333,656,994,530.25
5. Step 5: Solve for x
   x = 333,656,994,530.25/266,682
6. Step 6: Final answer
   x = 1,251,141.79