Finding the Third Proportional to 266,203.50 and 577,320

Step by Step Solution

1. Step 1: Write the proportion equation
   266,203.50 : 577,320 = 577,320 : x
2. Step 2: Convert to fraction form
   266,203.50/577,320 = 577,320/x
3. Step 3: Cross multiply
   266,203.50x = 577,320 × 577,320
4. Step 4: Simplify right side
   266,203.50x = 333,298,382,400
5. Step 5: Solve for x
   x = 333,298,382,400/266,203.50
6. Step 6: Final answer
   x = 1,252,043.58