Finding the Third Proportional to 266,697.50 and 577,864

Step by Step Solution

1. Step 1: Write the proportion equation
   266,697.50 : 577,864 = 577,864 : x
2. Step 2: Convert to fraction form
   266,697.50/577,864 = 577,864/x
3. Step 3: Cross multiply
   266,697.50x = 577,864 × 577,864
4. Step 4: Simplify right side
   266,697.50x = 333,926,802,496
5. Step 5: Solve for x
   x = 333,926,802,496/266,697.50
6. Step 6: Final answer
   x = 1,252,080.74