Finding the Third Proportional to 215,727 and 337,674.75

Step by Step Solution

1. Step 1: Write the proportion equation
   215,727 : 337,674.75 = 337,674.75 : x
2. Step 2: Convert to fraction form
   215,727/337,674.75 = 337,674.75/x
3. Step 3: Cross multiply
   215,727x = 337,674.75 × 337,674.75
4. Step 4: Simplify right side
   215,727x = 114,024,236,787.56
5. Step 5: Solve for x
   x = 114,024,236,787.56/215,727
6. Step 6: Final answer
   x = 528,558.02