Finding the Third Proportional to 265,455 and 577,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   265,455 : 577,567.50 = 577,567.50 : x
2. Step 2: Convert to fraction form
   265,455/577,567.50 = 577,567.50/x
3. Step 3: Cross multiply
   265,455x = 577,567.50 × 577,567.50
4. Step 4: Simplify right side
   265,455x = 333,584,217,056.25
5. Step 5: Solve for x
   x = 333,584,217,056.25/265,455
6. Step 6: Final answer
   x = 1,256,650.72