Finding the Third Proportional to 269,896.50 and 577,158

Step by Step Solution

1. Step 1: Write the proportion equation
   269,896.50 : 577,158 = 577,158 : x
2. Step 2: Convert to fraction form
   269,896.50/577,158 = 577,158/x
3. Step 3: Cross multiply
   269,896.50x = 577,158 × 577,158
4. Step 4: Simplify right side
   269,896.50x = 333,111,356,964
5. Step 5: Solve for x
   x = 333,111,356,964/269,896.50
6. Step 6: Final answer
   x = 1,234,218.88