Finding the Third Proportional to 258,238.50 and 562,206

Step by Step Solution

1. Step 1: Write the proportion equation
   258,238.50 : 562,206 = 562,206 : x
2. Step 2: Convert to fraction form
   258,238.50/562,206 = 562,206/x
3. Step 3: Cross multiply
   258,238.50x = 562,206 × 562,206
4. Step 4: Simplify right side
   258,238.50x = 316,075,586,436
5. Step 5: Solve for x
   x = 316,075,586,436/258,238.50
6. Step 6: Final answer
   x = 1,223,967.71