Finding the Third Proportional to 266,692.50 and 577,854

Step by Step Solution

1. Step 1: Write the proportion equation
   266,692.50 : 577,854 = 577,854 : x
2. Step 2: Convert to fraction form
   266,692.50/577,854 = 577,854/x
3. Step 3: Cross multiply
   266,692.50x = 577,854 × 577,854
4. Step 4: Simplify right side
   266,692.50x = 333,915,245,316
5. Step 5: Solve for x
   x = 333,915,245,316/266,692.50
6. Step 6: Final answer
   x = 1,252,060.88