Finding the Third Proportional to 258,109 and 566,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   258,109 : 566,073.50 = 566,073.50 : x
2. Step 2: Convert to fraction form
   258,109/566,073.50 = 566,073.50/x
3. Step 3: Cross multiply
   258,109x = 566,073.50 × 566,073.50
4. Step 4: Simplify right side
   258,109x = 320,439,207,402.25
5. Step 5: Solve for x
   x = 320,439,207,402.25/258,109
6. Step 6: Final answer
   x = 1,241,487.93